επίδραση του ήλιου
Did you know that if the sun were fueled by combustion of, say, gasoline or wood, it would burn out in just a few millennia? So how is it still here after 4.5 billion years? Physics. The sun is like a...
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...
1
annotations
