2022_심화영어

So what does time dilation have to do with immortality? Suppose that today, you find out you have a form of cancer for which we currently have no treatment. You’re given an estimate of only a few years to live. If you had a near-light-speed spaceship standing by, you could climb aboard, spend a year traveling around the Earth at 99.99% light speed. Then you could return in 71 years (on Earth) to ask whether a cure for your disease had been found. Is there no cure yet? No problem. Get back in your spaceship and set the rate at 99.9999% light speed, where six more months would get you 350 more years of progress back on Earth. The discovery of cures for almost every disease is believed by many experts to be an inevitable eventuality given enough time. And with near-light-speed travel, time is something that you would have in almost infinite supply. But what about the cost? The unfortunate catch to traveling centuries into the future via time dilation is that everyone you knew and cared about would obviously be long dead when you returned. You might be tempted to try to take some of your closest friends and family with you, but would they agree to make that sacrifice, leaving behind all others that they care about? Maybe everyone wants to board the spaceship to immortality, but someone has to stay behind and do the work so that the time travelers can benefit from it in the future. The pursuit of everlasting life might require unthinkable psychological pain and loneliness. For better or worse, we haven’t quite worked out the mechanics of near-light-speed travel yet, so this question is more of a thought experiment than a realistic dilemma for now. But it’s worth keeping in mind that nothing in the laws of physics prevents us from achieving this feat eventually. So, one must ultimately consider, in light of the costs: Would immortality be worth it? 05 10 15 20 25 What does Einstein’s work show about time at light speed? Q3 Challenge! Search for information about the current state of space travel and exploration. Then share your answers to the following questions with your partner. 1. ‌What is the fastest spacecraft as of now, and how fast is it? 2. ‌If you were rich, would you be willing to go to space? Why or why not? The Secret to Immortality 67