Transbordador espacial
We know that fire results from the combustion of organic material and air, but don't you still sometimes wonder what fire is? Why are gas flames blue and wood-fire orange? And why do flames...
How about a crash course in the Space Shuttle's external tank, shall we? The external tank is the big orange thing you see on the outside of the shuttle. You know, the one the bat was napping...
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This is a water jet pack... but no, that's not me flying it. This is me. It's harder than it looks, ok? But to understand how it works, we need to first talk rocket science. Rocket...
