What material can be used to make a Dyson sphere?

When Dyson originally conceived of a Dyson Sphere, he actually was talking about what we now call a Dyson Swarm. But, that doesn't really matter. read more

When Dyson originally conceived of a Dyson Sphere, he actually was talking about what we now call a Dyson Swarm. But, that doesn't really matter. The properties of the material used would depend on how far the sphere was from the central star, and if it needed to rotate. read more

The Dyson sphere will require a horrendous amount of material—so much so, in fact, that, should we want to completely envelope the sun, we are going to have to disassemble not just Mercury, but Venus, some of the outer planets, and any nearby asteroids as well. read more