The temple of Angkor Wat, the Egyptian pyramids, Stonehenge, and the famous statues on Easter Island were all built without the conveniences of modern technology. Ancient peoples didn't have access to ...

Banded slate bannerstone, Michigan (left), height 5 inches; Porphyry granite bannerstone, Iowa (right), height 3.4 inches, width 4.5 inches Around 8,000 years ago, in the woodlands of what is now the ...

You can hear sound, of course, but what if you could see it with a laser? That’s what [Goosetopherson] thought about, and thus a new project that you can see in the video below was born. The heart of ...

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