Why is the speed of light the cosmic speed li...
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Why can't we travel faster than light? Can we ever reach the stars?
What’s up with the fourth dimension? Can anything travel faster than light? Neil deGrasse Tyson and Chuck Nice explore things you thought you knew about dimensions, tachyons, and isotopes. NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here:
If light always travels at the speed of light, how does it slow down when passing through air or water? Does it matter if light is made of particles or waves? What's the difference between phase velocity and group velocity, and how does that all ...