Over fifty years ago, physicist Freeman Dyson proposed an awesome, if slightly insane, idea: That an advanced alien civilization might construct a massive, energy-harvesting sphere around its star, ...
In most Ancient Greek philosophical circles, the theory of a spherical earth was accepted by around the 5th century BC, and ...
The Sphere in Las Vegas gets some homegrown imagery for Earth Day. Eight local students – all winners of the Second Annual Sphere XO Student Design Challenge – will have their art creations displayed ...
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