Sacramento is one of California’s most light polluted cities. The Bortle scale is a nine-level numeric scale measuring the night sky's brightness of specific locations with one being perfect ...

Did you see the story about contact lenses that give you night vision, sort of like those night vision goggles the military uses – particularly in the shoot-em-up movies? Embedded nanoparticles allow ...

When I was a teenager, I was—shockingly, I know—deeply nerdy. At a science-fiction convention, I bought a button that read, “186,282 miles/second: Not just a good idea, it’s the law.” It was poking ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. In 1999, Daniel Myrick and Eduardo Sánchez shot one of the ...