discoverynews:

Dyson Spheres: The Ultimate Energy Shell Game

The world’s exponential population growth will soon need to flatten out otherwise within a few hundred years every square foot of the Earth’s surface will be taken up by a human. Energy usage has also grown exponentially.

One solution is to build a sphere around a star to capture energy. Called a Dyson Sphere, it would provide a virtually infinite living space 600 million times larger than the surface area of the Earth.

It would also trap almost all of the sun’s energy output — 400 trillion trillion watts!

let’s build it

I’ve heard of Dyson Spheres in the context of solar panels surrounding a star but I have never contemplated it being an inhabited structure. This blows my mind.

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