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Setting up the Stage
You awaken, and your mind clears. Absolutely, you are going on the interstellar freighter Hyperion, outbound to mine antimatter from your galactic vortex. The semiautomatic or fully automatic systems have simply just revived you from hanging animation. The assignment supports perform periodic ship routine service.
Climbing not in your this chamber, you punch up system situation. All programs read nominal, no issues. That is good. Your boat extends 32 kilometers. Simply just performing routine maintenance outake the mind and body; it’s not necessary any spare work.
You contemplate the job of the freighter. The Hyperion, and its some sister cruises, fly during staggered tasks to harvest energy levels, in the form of antimatter. Each adventure collects a thousand terawatthours, plenty of to support the 35 thousand human and sentient tools in the solarsystem for a complete year.
Looking up at the protection screen, you observe the midflight space buoy station with regards to a lighthour onward. The place contains some buoys, unveiled in a courtyard, 30 kms on a side. A series of 9 stations maintains your mail on program during it is two year travel away from Land.
You look into the freighter’s acceleration relative to the buoys – about 50 % of the speed of light, but continual, i. at the. no acceleration or deceleration. That makes feeling – in midflight, the freighter provides entered some transition level between acc. and deceleration.
The Theory from Relativity
Either through deliberate analysis, or basic media coverage, you very likely have heard with the Theory from Relativity, the master little bit of Albert Einstein. Einstein developed his music in two phases. The first, Exceptional Relativity, coated nonaccelerating structures of benchmark, and the second, General Relativity, dealt with augmenting and gravitybound frames in reference.
Unique Relativity provided us the popular E=MC squareshaped equation, and covers the physics from objects approaching the speed of light. General Relativity helped uncover the possibility of dark holes, and supplies the physics of materials in gravity fields as well as undergoing speeding.
Here we will research Special Relativity, using the hypothetical dispatch Hyperion. The freighter’s speed, a significant small percentage of that of light, dictates we all employ Specialized Relativity. Information based on the laws of motion found at everyday data transfer rates, for example those of planes and cars, will produce inappropriate results.
Importantly, though, some of our freighter is definitely neither augmenting nor delaying and further has got traveled enough into in depth space that gravity offers dwindled to insignificant. The considerations of General Relativity thus will not enter in this case.
Waves, and lightweight in a Upright vacuum cleaner
Special Relativity starts with the fundamental, foundational affirmation that all experts, regardless of their whole motion, will measure the exceedingly fast as the equal. Whether shifting at a hundred kilometers 1 hour, or a million dollars kilometers 1 hour, or a billion dollars kilometers an hour, all experts will gauge the speed of light while 1 . ’08 billion mls an hour.
A fabulous caveat is the observer not even be augmenting, and not be under a good gravitational arena.
Even with that caveat, how come is this case? How come doesn’t the speed of the observer impact the measured exceedingly fast? If a couple throw a good baseball, one out of a moving bullet practice, while the various stands and incapacitated, the motion of the topic train increases the speed on the throw ball.
So shouldn’t the speed from the space vessel add to the speed of light? You would presume so. However , unlike baseballs, light acceleration remains consistent regardless of the acceleration of the viewer.
Why?
Let’s think about ocean. Most ocean, be they sound swells, water mounds, the dunes in the plucked string of an violin, or perhaps shock mounds travelling through solid entire world, consist of movements through a method. Sound ocean consist of switching air chemicals, water waves consist of going packets from water, waves in a cord consist of motion of the thread, and impact waves consist of vibrations during rocks and soil.
In contrast, stark distinction, light surf do not consist of the action of any underlying substrate. Light travel does not need any kind of supporting channel for gear box.
In that lies the key big difference.
Let’s job thought that from the context of this interstellar freighter. You go up from hanging animation. Speed has quit. In this case, not any buoys can be found nearby.
How do How to Use The Midpoint Formula know you are moving? How does one even establish moving? As you are reside in deep space, and you are away from the buoys, no materials exist nearby against which in turn to rating your acceleration. And the cleaner provides simply no reference point.
Einstein, and others, pondered this. They will possessed Maxwell’s laws from electromagnetism, rules which offered, from first of all principle, the pace of light in a vacuum. Now if simply no reference point is available in a pressure against which usually to gauge the speed of the physical target, could virtually any (nonaccelerated) movement be a thankful motion? Will there become a special motion (aka speed) at which the observer has got the “true” exceedingly fast, while other observer’s switching at an alternate speed can have a speed of light impacted by the fact that observer’s action.
Physicists, Einstein especially, came to the conclusion no . If the privileged reference point frame is present, then experts at the nonprivileged speed would definitely find light violates Maxwell’s laws. And Maxwell’s legislation stood while so reasonable that instead of amend the ones laws, physicists set the latest assumption — relative speed can’t change the speed of light.
Ahh, you express. You see a way to determine if the Hyperion is moving. Simply compare its speed to the buoys; they are simply stationary, right? Really? Could they not be moving relative to the middle of our galaxy? Doesn’t all of our galaxy progress relative to additional galaxies?
Who or precisely what is not switching here? Actually if we reflect on the whole whole world, we can not even tell what “true” rates objects have got, only their whole speed in accordance with other objects.
If virtually no reference point provides for a fixed framework, and if we can only decide relative quickness, Maxwell’s rules, and really the nature of the globe, dictate all observers rating light while having the same speed.
Transe of Time
If the speed of light continues constant, what varies permitting that? And something must range. If I was moving relative to you for near the exceedingly fast (remember, we CAN tell acceleration relative to each other; we can CERTAINLY NOT tell overall speed from some globally fixed reference) and we measure the same light pulse, certainly one of use would seem to be capturing up to the light pulse.
So some pose in statistic must occur.
Let’s go back our freighter. Imagine the Hyperion travels to left, with regards to the buoys. Seeing that noted, the buoys variety a main square 30 kilometers on each side (as tested at rest based on the buoys).
Given that Hyperion gets into the buoy configuration, the front end slices an fictional line between the right two buoys. The idea enters in a right perspective to this unreal line, but significantly away center, only a few hundred meters from one proper buoy, practically 30 miles from the various right buoy.
Just as the front of freighter pieces the line, the near good buoy fire a light beat right over the front of this freighter, on the second right buoy, twenty nine kilometers off of.
The light travels out, traffic the second right buoy, and bounces back in the earliest right buoy, a rounded trip from 60 km’s. Given light travels 290 thousand kms a second, rounded, or 0. 3 a long way in a microsecond (one millionth of a second), the game trip in the light heart rate consumes 200 microseconds. That results from splitting up the 60 kilometer through trip by means of 0. a few kilometers per microsecond.
The fact that calculation gets results, for an observer stationery on the buoy. It doesn’t meet your needs on the Hyperion. Why? Given that light vacations to the second right buoy and lower back, the Hyperion moves. In fact , the Hyperion’s speed in accordance with the buoys is such the fact that the back of the freighter gets to the first of all right buoy when the light pulse profits.
From our advantage point, on the freighter, what lengths did the sunshine travel? Earliest, we know the light came as if down a triangle, from the front side of the ship, out to another right buoy and into the back on the ship. How big the a triangle? The very good right buoys sits 32 kilometers from first best suited buoy, therefore, the triangle expands 30 a long way high, when i. e. out to the second right buoy. The beds base of the triangular also offers 30 a long way – the duration of the boat. Again, discussing picture the sunshine travel. Inside Hyperion’s referrals frame, the light passes the front of ship, traffic the second right buoy, and arrives back again at the back of the freighter.
A handful of geometry (Pythagorean theory) signifies that a triangle 30 large and 30 at the bottom part will measure 33. 5 along every single slanted sides. We get the following by breaking the triangular down the middle, giving two right triangles 15 by way of 30. Squaring then summing the fifteen and thirty gives 1125 and the main market square root of gives 33. your five.
In our reference frame then simply, the light travels 67 mls, i. e. along both the slated factors of the triangular. At zero. 3 miles per microsecond, we gauge the travel moments of the light heart beat at just more than 223 microseconds.
Remember, all of our observer stationary on the buoy measured the time travel found at 200 microseconds.
This unveils a first perspective in measurements. To keep the pace of light frequent for all experts, clocks moving relative to each other will check, must rating, the same affair as acquiring different levels of time. Particularly, to you on the Hyperion, the clock over the buoys is moving, and therefore clock sized a not as long time. Therefore, clocks switching relative to a fabulous stationary wall clock tick more slowly.
Again, this is the twist. Lighting moving in accordance with an viewer tick slow than lighting stationary with respect to that viewer.
But delay. What about an observer for the buoy. Might they in no way say they are fixed? They would deduce stationary clocks tick slow.
We have some subtle variance. We can harmonize clocks sleeping relative to us. Thus we could use two clocks, one particular at the back of the Hyperion plus the other in the front, to measure the 223 microsecond travel time of the light order. We can certainly not synchronize, or perhaps assume to generally be synchronized, shifting clocks. So, to assess the tour time of the sunshine in shifting verses immobile reference casings, we must measure the event inside moving guide frame along with the same wall clock.
And to experts on the buoy, the Hyperion was shifting, and on the Hyperion the big event was assessed on two different lighting. Given that, an observer in the buoys are no longer able to use our two measurements in conclusion which lighting tick sluggish.
Uncoupling in Clocks
This uncoupling from clock rates, this method that clocks moving in accordance with us run slower, produces a second perspective: clocks moving relative to us become uncoupled from our time.
Let’s stage through the following.
The Hyperion completes the freight work, and once home in the solarsystem, the boat undergoes engine unit upgrades. This now can now reach twothirds the speed of light at midflight. This faster further widens the differences for measured instances. In our case in point above, at about half the pace of light, the moving reference frame deliberated an event at 89% individuals measurement (200 over 223). At twothird the speed of sunshine, this going slower, this time dilation, expands to 75%. Proficient event lasting two hundred microseconds sized on a moving clock is going to measure 267 microseconds with a clock next to you on the freighter.
We reach midflight. When pass the best buoy, we read the clock. To get ease of comparison, we will not deal with several hours and mins and a few seconds, but rather only the position of any hand over a microsecond alarm clock.
As the leading of the Hyperion passes the buoy, the buoy time clock reads 56 microseconds before zero. Plantigrade reads 80 microseconds ahead of zero. The buoy clock thus nowadays reads somewhat ahead of mine.
Now keep in mind, we think we could moving. Nevertheless , from our perception, the buoy clock actions relative to all of us, while clocks on the freighter rest stationary relative to us. Therefore the buoy lighting are the switching clocks, thereby the lighting that run weaker.
With the Hyperion at two thirds of the speed of light relative to the buoy, the buoy trips past see 0. two kilometers every microsecond (speed of light is certainly 0. three or more kilometers per microsecond). Hence by all of our clocks, the buoy trips from the front of the freighter to the midpoint in seventyfive microseconds (15 kilometers divided by zero. 2 kms per microsecond). The freighter clocks are synchronized (a complex treatment, but feasible), and thus we see the microsecond hand at zero microseconds on our clock.
So what do we see for the buoy? Young children and can its lighting run slow. How much slower? By a “beta” factor with the square root of (one minus the speed squared). This beta factor falls right out of your Pythagorean math above, however the details, in this article, aren’t critical. Straight forward remember the main element attributes, i just. e. some moving time clock runs sluggish and that an equation — one stuck just using the (relatively) simple Pythagorean Theorem supports exists to calculate how much slower.
The beta aspect for two thirds the speed of sunshine equates to practically 75%. As a result, if your clocks advanced 75 microseconds as the buoy traveled right from front to midsection, the buoy lighting advanced 73% of 80 or 56 microseconds. The buoy time clock read 56 microseconds ahead of zero once that wall clock passed the front of the Hyperion, so that it now reads zero.
The buoy now travels even farther and passes the back from the Hyperion. That is certainly another 15 kilometers. All of our clocks move forward to seventy five microseconds, while buoy clock moves about only 56 microseconds.
This kind of progression unveils a key trend – not only do moving clocks tick low, those clocks read diverse times. A few points, those moving lighting read an earlier time than clocks non moving to us, and at moments, they examine a time in the future than lighting stationary to us.
We all thus look at moving materials in what we would consider our past or future. Incredibly spooky.
Do we have some type of vision into the future then? May possibly we mysteriously gather information about the moving referrals frame, and enlighten them all on what’s going to come? And also have them show us?
Number We might start to see the buoy at any given time in our potential (as the buoy goes by the front of the Hyperion, its time clock reads 56 microseconds ahead of zero, or19 microseconds earlier than our clock). We having said that do not likewise simultaneously view the buoy found at our present, i. elizabeth. 75 microseconds before absolutely no. To hack time, to know the buoy about its future, we need to take on information from a point in time and communicate the fact that information to a new one point in time.
And also never takes place. We see the buoy in our future, in that case in our present, and then each of our past, but as that happens we do not see the buoy at another point in time. All of us thus cannot communicate any future awareness to the buoy.
Length Compression
Let’s put into your own words quickly. The laws in nature influence all observers, regardless of action, will ranking light at the same velocity. The fact that dictate signifies and requires that clocks shifting relative to a great observer will certainly tick sluggish, and further indicates and requires this time registering with moving lighting will be uncoupled from period registering upon clocks stationery to us.
Do we have an overabundance implications? Absolutely.
The consistency of light rate requires and dictates that moving materials contract in length.
As the buoys speed simply by, at a selected instant, the Hyperion should align along with the buoys. Your 30 kilometer length equates to the 31 kilometer buoy separation. Thus, when each of our ship lines up itself sidebyside with the buoys, observers in front and back of the Hyperion should understand the buoys.
However , this doesn’t happen. Our experts on the Hyperion don’t start to see the buoys when midship position of the Hyperion aligns with the midpoint between the buoys. In fact , at this position, the Hyperion observers need to look towards midship to see the buoys. At positioning of midship of the Hyperion to midpoint between the buoys, each of the buoys lies over 3 km’s short of the ends of this Hyperion.
What happened? Why do we not really measure the buoys 30 miles apart? What caused the 30 km (einheitenzeichen) separation to shrink practically 7 a long way?
What happened, whatever we have stumbled upon, represents one more ramification in the constancy on the speed of light, specifically that we assess a switching object seeing that shorter as opposed to when we gauge the object at rest.
How does that occur? A few uncover the fact that by assuming that we had assessed the shifting buoys as still 32 kilometers away from each other, then by doing some mathematics with that predictions. We will see that we will operate right into a conflict. That will suggest our supposition can not be most suitable.
Let’s function the car loans calculations. As noted above, i will assume we all measure the buoys 30 mls apart. The buoys, under this presumption, will lineup with the ends of the Hyperion. For your experiment, in which instant of alignment, all of us fire lights from the draws to a close of the Hyperion towards the heart.
To keep issues straight, we’d like distance marker pens on the Hyperion, and on the buoys. I will label the 2 ends from the Hyperion furthermore 15 mls (the ideal end) and minus 15 kilometers (the left end), and by extendable, the middle of the ship might be zero. The Hyperion lighting will go through zero microseconds when light beams start.
I will also indicate the buoys as being by minus 15 and furthermore 15 miles, and by proxy, a point equidistant between the buoys as way away zero. A fabulous clock will be placed within the buoy actually zero point. The fact that clock definitely will read absolutely no microseconds if your midship for the Hyperion lines up with the midpoint of the buoys.
Now why don’t we follow the light beams. They naturally race towards each other until they converge. On the Hyperion, this convergence occurs right in the middle, at length marker totally free. Each beam travels 15 kilometers. Offered light vacations at 0. 3 km’s per microsecond, the light light beams converge in 50 microseconds.
The buoys move past the Hyperion in the two thirds the pace of light, or perhaps 0. 2 kilometers every microsecond. Inside the 50 microseconds for the light to converge, the buoys move. Simply how much? We multiply their velocity of 0. 2 distance per microsecond times the 50 microseconds, to receive 10 kilometers. With this 10 kilometer shift, if the light beams converge, our totally free point aligns with their take away 10 distance point. Keep in mind, if the Hyperion travels righttoleft, then over the Hyperion, all of us view the buoys at visiting lefttoright.
Around the Hyperion, we come across the light light beams each travelling the same mileage. What about observers in the moving frame, my spouse and i. e. going with the buoys?
They see the light beams move different amount of training.
The light light starting on the right, for plus 1215, travels all the way to minus 10 kilometers, inside the buoy referrals frame. That represents a travel yardage of 30 kilometers. The sunshine starting for the left, for minus 15, travels just 5 miles, i. y. from less 15 km’s to take away 10 kilometers. These unequal travel kilometers occur, naturally , because the buoys move within the light beam tour.
In the buoy frame in reference, a person light beam moves 20 a long way farther compared to the other. To enable them to meet as well, the column traveling the shorter mileage must hang on while the other light beam covers that increased 20 a long way. How much of a wait? With the 0. several kilometers every microsecond this really is 66. six microseconds.
A few contemplate this. In our standing reference framework, the light beams each from time alike zero in clocks in both ceases of the Hyperion. For the buoys even though, light creates one buoy, the buoy at mileage plus 15, 66. several microseconds sooner, than the one that leaves the buoy found at distance subtract 15.
At the start of this experiment, we set the clock for the midpoint between buoys at time even zero. By symmetry, with this 66. 7 microsecond difference, the time at the take away 15 position must have read plus 33. 3 microseconds, and the time at the plus 15 point must have browse minus 33. 3, in the event the light beams quit.
What about the meet place, at less 10 inside the buoy reference point frame? The fact that was the time within the meet justification in the reference point frame from the buoys, in the event the light beams quit? Remember, the meet reason for the buoy frame from reference is minus 20 kilometers. If your minus 1215 point is usually 33. three or more microseconds, the minus 10 point is normally 22. only two microseconds.
Most of us now pull in the fact that clocks function slower inside the moving framework. At 2/3 the speed of sunshine, clocks work at 73% (or additional precisely seventy four. 5%) the rate of lighting in our immobile frame. Provided our clocks measured 70 microseconds intended for the light tour time, the clocks on the buoys ranking a light move time of thirty seven. 3 microseconds.
A bit of addition gives all of us the match time in the buoy benchmark frame. The clocks within the meet issue read as well as 22. 2 microseconds in the event the light started off, and advance 37. 3 microseconds within the light tour. We consequently have a match time of 59. 5 microseconds in the moving reference frame, i. elizabeth. the buoy reference body.
Now comes the contradiction.
The light started from the minus 1215 point at 33. three or more microseconds, and arrives at the minus 20 point at 59. a few microseconds. Discussing call that the 26 microsecond travel time period. The tour distance was first 5 km’s. The implied speed, we. e. 5 various kilometers divided by the 18 microsecond tour time, comes out to 0. 19 km’s per microsecond.
From the other end, the light moved 25 km’s, in 92. 8 microseconds (from minus 33. 3 or more to in addition 59. 5). The implied speed, when i. e. 25 kilometers divided by the 93 microsecond tour time, comes out to zero. 27 mls per microsecond.
No good. Light travels by 0. 3 or more kilometers per microsecond. Whenever we assumed that we would gauge the buoys 40 kilometers apart, and altered the clocks to try to fit that predictions, we to be able to get the exceedingly fast.
Remember very seriously that all experts must gauge the speed of light mainly because same. Alarm clock speeds, and relative time readings, as well as measured miles, must adjust to make that happen.
How long apart DO the buoys should be, for the buoys to straighten with the ends of the Hyperion? They need to come to be 40. only two kilometers apart. With the buoys 40. only two kilometers separately, the front and back of the Hyperion will certainly align together with the buoys, when midship (of the Hyperion) and the midpoint (of the buoys) arrange.
Amazing, almost incomprehensible. The need for all experts to gauge the same speed of light dictates we measure shifting objects diminished, significantly shorter, than we would measure them at rest.
What’s going to the buoy clocks read, if we implement this fourty. 2 a long way spacing? If the ship and the buoys line up, the placed buoy alarm clock will examine plus 46. 7 microseconds and the right buoy alarm clock will reading minus fortyfour. 7 microseconds. Since the beams of light fire if your ships and buoys lineup, the light gleam on the best suited leaves fifth there’s 89. 4 microseconds before the beam on the left, from the buoy figure of research.
That time main difference equates to the best beam journeying 26. main kilometers prior to when the left gleam starts, since seen in the buoy shape of reference point. Both light beams then move 6. sete kilometers until they satisfied. The dua puluh enam. 8 as well as 6. sete twice counts to the forty. 2 distance between the buoys.
The still left beam starts at position minus 12. 1, in time in addition 44. 7 microseconds, and travels six. 7 a long way. Light wants 22. four microseconds (6. 7 divided by 0. 3) to visit the six. 7 km’s. Thus, the clock at the take away 13. four point (minus 20. two kilometers plus the 6. six kilometers the left light beam traveled) should read 67. 1 microseconds when the still left light beam gets there.
Will it?
By size, when the buoys and the Hyperion align, some clock with the minus 1314. 4 place would reading plus 44. 7 take away onesixth in 89. some. Onesixth in 89. 5 is 14. 9, and 44. sete minus 15. 9 could well be 29. almost 8 microseconds.
Keep in mind now that the buoy lighting must progress 37. a few microseconds within the travel of this light beams. Occurring because over the Hyperion, the sunshine beam travelling requires 60 microseconds, and the buoy clocks must operate slow utilizing a factor in 75 percent (or whole lot more precisely 74. 5 percent).
Add the 29. almost eight and the thirty seven. 3, and get 67. 1 microseconds. We previously stated that the wall clock at subtract 13. five kilometers ought to read 67. 1 microseconds when the placed light beam arrives. And it lets you do. A separation of the buoys by 30. 2 miles thus aligns the clocks and distances on the buoys so that they measure the correct speed of light.
What Seriously Happens
However , do changing objects seriously shrink? Do the atoms on the objects blur to bring about the object to shorten?
Absolutely not. Think about what i was reading around the clocks. Although clocks on the Hyperion each and every one read the same time, the clocks inside the moving reference point frame all ready different occasions. Moving ranges shrink considering that we see the different parts of the moving object at numerous times. Together with the buoys 30. 2 mls apart (measured at rest), we discovered the placed buoy found at plus 46. 7 microseconds (in it is reference frame) and the correct buoy at minus 44. 7 microseconds.
Let’s check out another way to conceive of span contraction, towards a more downtoEarth case.
Picture a good freight teach, four miles long, switching at fourty kilometers 60 minutes. You and a good fellow experimenter stand along the tracks three kilometers via each other. When front within the train goes you, you signal your partner. Your partner is waiting 89 seconds and will take note from what part of the train right now passes facing him. Facing he find? The end of the train.
The four distance train suit within the some kilometer break up between you and the fellow experimenter. That transpired because your spouse looked at the train later than you.
It is not precisely how fast moving objects effect measurements. Inside our train example, we produced two distinct times of declaration by holding out. In the Hyperion situation, we didn’t ought to wait — the near light moving speed on the buoys launched a difference from the clock declaration times.
Even though not an specific analogy, the simplified coach example WILL motivate just how measuring the length of something by two several times can certainly distort the measurement. The train case also indicates that we may shorten the measured length of an object devoid of the object psychologically shrinking.
Whilst the shrinkage is not going to really appear, the time stamps differences are real. In our Hyperion case, with the lights, if we returned and indexed the clocks on the buoys, those lighting would track record that the lights we terminated really would start fifth there’s 89. 4 microseconds apart. We might look at all of our Hyperion lighting, and your Hyperion lighting would genuinely show the fact that in our reference point frame the sunshine beams started off at the same time.
Are definitely the Clocks Savvy?
How do the clocks “know” how to alter themselves? Do they feeling the comparative speeds and exercise some sort of intelligence to realign by yourself?
Despite any appearances often, the clocks do not feeling any movement or perform any changes. If you hold beside a fabulous clock, and objects squat by you at close to the speed of light, little happens to the time next to you. It causes no modifications, changes, or compensations in the interest of passing things.
Rather, the geometry of space and time trigger an viewer to see going clocks ticking slower, and moving items measuring diminished.
If you progress away from me personally, and I assess you against some ruler preserved my hand, the measured elevation shrinks proportionate to your range from me. Your seeking smaller comes from the smaller angle between the light from you scalp and the light from your foot as you complete away. The sunshine didn’t need to learn what to do, as well as ruler couldn’t adjust. Preferably, the angles of our community dictates that as you progress away you can measure is diminished.
Similarly, easily place contact between you and some screen, I could expand or shrink the height throughout adjustments on the lenses. The light doesn’t have to know how adjust; the light easily follows the laws in physics.
Therefore using distance and the len’s, I can associated with measurement in you length change. I can readily produce formulas for these measurement variations.
Similarly, moving clocks go through slower from nature of energy. We think clocks need to “know” how to alter, since your universal encounter at low velocities reveals clocks run at the same charge. But if i was born on the Hyperion and lived existence traveling for near light speeds, the slowing of clocks because of relative activity would be simply because familiar to us like the bending of light beams as they travel through standard zoom lens.
All observers must measure the speed of light as the same. That attribute from nature, that fact from the geometry in space and time, produces counterintuitive although nonetheless actual adjustments in observations of your time and space. Moving clocks run more slowly, they become uncoupled from our time period, and any objects shifting with the ones clocks measure shorter in length.