Mental Floss: 29 early sports rules

Ok, I didn’t knew the early sport rules were no rules at all. Some of the games would be played in any way you could. For example, soccer, the real football I mean, would be played with a ball, but you could grab it with the hand too to move it where you wanted. Or […]

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Exploring the Universe: we’re made of star stuff

Crash Course Big History #2, with John Green, takes us from the time of Big Bang and up until now, and tells us that we are made of star stuff. Actually, Carl Sagan was the first to put it that way in these exact words. In any case, the heavy elements we see in our […]

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Will you lose your memory when you get older?

The short answer is YES. The longer one is maybe. It all depends on what you actually do. If you just there work, go home, then go back to work and do not do any brain work-outs, then you’re bound to lose memory year in year out. But, if you use that brain of yours […]

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Tech stuff in short bursts: processor manufacturing, Intel X99 chipset, and Nvidia GTX 980 vs Ati R9 290x

Linus explains in the video form above why the computer industry manages to keep the prices almost the same year by year but are able to double the capacity and power of the processors once every two years. The secret? They are able to use more and more transistors on the same chip which makes […]

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The physics of space battles

Joe Hanson, from Its Okay To Be Smart, tried to imagine a real space battle in light of physics. It turns out that a space battle would not be in any way similar to those that you see in Star Wars. First off, you don’t hear any sound in space. Shoooo. Then, once you have […]

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Good old myth about fluoride in water debunked

One of my favorite doctors, Sean Carroll, from Health Care Triage, explains why a recently circulated study about fluorinated water being bad is just a myth. First of all, look at the origin of the study: China and Iran. Not the most trusted sources in regards to anything. They make good copies of everything, though […]

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How to slow down time in the lab

It is a known fact that due to space-time relativity the time flows slower when you move faster and that the time also slows down the moment you get closer to a center of gravity. This is called time dilation and it has been measures in GPS satellites or when people flew with the airplanes […]

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The uncertainty principle is about our measuring instruments, not about the particles themselves

You got to love physics at smaller levels. While the math is daunting and the phenomenon is hard to understand, we need to know at least some basic things, like the uncertainty principle. that principle tells us that if you try to find the position of a particle you won’t be able to know exactly […]

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Why do leaves turn brown or yellow in fall?

Leaves have a lot of chlorophyll and thus they have a greenish color due to this substance. This substance takes carbon dioxide from the air and with the help of light generates oxygen and glucose. When fall comes there isn’t that much light around and trees start to generate less chlorophyll. Also, by this time […]

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The history of Tattoos: they are called ‘tatau’ in Tahiti

Tattoos have a 8000 year old story and they were always meant to mean something to the weaver. Some tattoos were meant to be done right at the start of adulthood and it was painful to have them painted on you. Right now the process is easy enough and it does not hurt that much. […]

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