> harvesting zero point energy Even if that were possible, it's only 6e-10 J/m^3 [1]. Want to keep a 10W LED light on? That's 10 J/s, so you need to extract a

> harvesting zero point energy Even if that were possible, it's only 6e-10 J/m^3 [1]. Want to keep a 10W LED light on? That's 10 J/s, so you need to extract all dark energy from 17e9 m^3 of space (roughly a cube with a side of 2.5 km) every second. [1] http://www.astronomy.ohio-state.edu/~ryden/ast162_10/notes41.html http://www.astronomy.ohio-state.edu/~ryden/ast162_10/notes41...