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The sky is dark at night. That's something we take for granted with no questions asked. But why is the sky dark at night? Hint: It's not because the sun is down.
In a really simple and fun video, Henry Reich, a researcher at the Perimeter Institute in Canada, explains why the light in the sky fades at night. We don't want to spoil it for you, but it involves the ever-expanding universe and physics. But worry not, you don't need to be a science genius to understand the concept.
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The video is part of a series of educational videos called Minute Physics, which aim to explain science in an elementary way. The videos have been so successful that Reich has received an offer to join the elite Khan Academy.
To find out the real scientific reason why the sky is dark at night, check out the video above. Maybe it will cure your fear of the dark as well.
9 Mildly Disturbing Scenes Discovered At Legoland
Sometimes you need to look at things a litter bit closer than usual to see the humor -- or the harsh realities -- that they really hold.
At Legoland Florida’s Miniland USA, this is absolutely the case.
Over the course of two days, travel writer and blogger Raymond Walsh found and photographed a number of unexpected Easter Eggs that are built into the giant Lego structure.
According to Walsh's blog, more than 100 Master Builders from North America, Europe, and Asia worked for two years to complete the Miniland USA attraction. According to the photos he collected, some of them had a very twisted sense of humor.
Click here to view this gallery.
This story originally published on Mashable here.
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