BUOYANCY


The term buoyancy refers to how well something floats or sinks if something is able to float we would say that it’s buoyant so what makes something float or sink. Generally we can determine if something can float by feeling its weight usually if something is light it floats or is positively buoyant, if it’s […]

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CITY OF LIGHTS


The city sky is, frankly, rather boring. If you look up at the patches of murk between buildings, you might be able to pick out The Big Dipper, or perhaps, Orion’s Belt. But hold on. Look at that murky patch again and hold our your thumb. How many stars do you think are behind it? […]

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WHY SITTING IS BAD FOR YOU?


Right now, you’re probably sitting down to watch this video and staying seated for a few minutes to view it is probably okay. But the longer you stay put, the more agitated your body becomes. It sits there counting down the moments until you stand up again and take it for a walk. That may […]

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HOW TO SURVIVE LIGHTNING STRIKE


If you get caught in the middle of a big, open field during a lightning storm, which of the following uniforms would be most likely to keep you safe? A thick wetsuit; a superman costume; a medieval coat of armor; or a birthday suit? If you answered “medieval coat of armor,” you might be a […]

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WHAT IS SOMETHING?


The simple questions are the hardest ones to answer. What is a thing? Why do things happen? And why do they happen the way they do? Let’s try to approach this step-by-step. What are you made of? You are matter which is made of molecules which are made of atoms and those are made of […]

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WALK THROUGH THE WALL?


Everything in the universe is made up of atoms.  Atoms are 99.9999999% empty space. So that means you humans, the walls you want to walk through, and everything around you is mostly empty space.  It’s mind boggling, but if that’s true, why can’t we pass through that empty space? Atoms are made of electrons and […]

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