3 ms·
On a much larger scale there is Ringworld, which incorporated a Dyson Ring, which is a variation on a Dyson Sphere[1], which was apparently inspired by a 1937 n
by tvon 12y ago
On a much larger scale there is Ringworld, which incorporated a Dyson Ring, which is a variation on a Dyson Sphere[1], which was apparently inspired by a 1937 novel (according to the Wikipedia link).
[1] http://en.wikipedia.org/wiki/Dyson_sphere http://en.wikipedia.org/wiki/Dyson_sphere