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This means these three values can’t be independent; if you know two of them, you can derive the third. How do physicists deal with this? We define the speed of light as exactly 299,792,458 meters per second. (How do we know it’s exact? Because we define a meter as the distance light travels in 1/299,792,458 … Read more
Sex toys geared toward partners are hit or miss. It’s usually a singular device that tries to pull double duty, pleasuring both parties simultaneously. But the Luxus tries something a little different. It’s a new brand from Kiiroo, a company that has been making sex toys since 2012. Luxus has two components: a cock ring … Read more
If you took introductory physics, you learned about the “fundamental forces.” It goes something like this: All interactions are the result of one or more of five basic forces: strong nuclear, weak nuclear, gravity, electric, and magnetic. “Doing physics,” then, means identifying the forces in play. There’s a problem, though, which might not have been … Read more
Far above your head, constellations of satellites are working constantly to provide the positioning, navigation, and timing systems that quietly run modern life. Known as the global navigation satellite system, or GNSS, signals from these satellites provide the foundation for mobile networks, energy grids, the internet, and GPS. And increasingly, their dependability is under threat. … Read more
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