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Scientists invented a fabric that knows whether to cool you down or warm you up

Dressing in layers is usually the easiest way to ensure that you won’t be uncomfortable at any point in the day. If things get too hot, just shed a layer and you’re good, and if you get chilly again, just slip it back on. But what if you didn’t have to do that at all? What if your clothing could tell if you were too hot or too cool and adjust accordingly?

That’s exactly what researchers from the University of Maryland seem to have accomplished with an incredibly unique kind of new fabric that actually changes depending on your body temperature.

To Start Life at The Nearest Star System, This Is How Big a Spaceship We Would Need

There’s no two-ways about it, the Universe is an extremely big place! And thanks to the limitations placed upon us by Special Relativity, traveling to even the closest star systems could take millennia.

As we addressed in a previous article, the estimated travel time to the nearest star system (Alpha Centauri) could take anywhere from 19,000 to 81,000 years using conventional methods.

For this reason, many theorists have recommended that humanity rely on generation ships to spread the seed of humanity among the stars. Naturally, such a project presents many challenges, not the least of which is how large a spacecraft would need to be to sustain a multi-generational crew.

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