physics

What problems do we face today to tell reality and consciousness apart in terms of the former being a byproduct of the latter? If however consciousness is a construct of reality then why is it near impossible to create it artificially? If reality has always been the way it is then what is...

Hello, could someone kindly double check my math? Alternatively: is there a better place to post the request? My calculation: 50 gram mass (0.05 kg) Low Earth Orbit (~8 km/sec) Head on collision (relative velocity 16 km/sec) Kinetic Energy = 1/2 * mass * velocity_squared Kinetic energy...

Is it true that a craft traveling at the speed of light can no longer see light or dark from outside?