Como explicar
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...
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...
Let’s say you want to become pope, head of the Catholic Church and shepherd to over 1 billion faithful. What requirements must you have for this lofty position: 1) Be a catholic and 2) Be a man....
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Welcome to the Great nation of Holland: where the tulips grow, the windmills turn, the breakfast is chocolatey, the people industrious, and the sea tries to drown it all. Except, this country...
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Where, is the European Union? Obviously here somewhere, but much like the the European continent itself, which has an unclear boundary, the European Union also has some fuzzy edges to it. To start,...
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JAMES GRIME: Today, we're going to talk about one of the questions that we get sent in a lot at Numberphile, and the question is-- well, Brady, what's the question? BRADY HARAN: The...
