In order for us to see something, it either needs to emit light directly (like the sun or a lightbulb filament or firefly) or else have photons of light bounce off of it and into our eyes. But how do...
Let's be honest: a lot of us sit inside...all day. Whether it's for work or to binge on the newest TV series, we simply aren't outside very often. But, what would happen if you...
[Morgan Freeman] So. What are we really made of? Dig deep inside the atom and you'll find tiny particles held together by invisible forces. (held together by invisible forces.) Everything is made up...