No Inv.: 1374-1377/BD/Perp/88/4c
No Inv.: 722-723/BD/Perp/86/2c
No Inv.: 1306-1310/Perp/79/5c
To create the exotic materials and technologies needed to make stargates and warp drives is the holy grail of advanced propulsion. A less ambitious, but nonetheless revolutionary, goal is finding a way to accelerate a spaceship without having to lug along a gargantuan reservoir of fuel that you blow out a tailpipe. Tethers and solar sails are conventional realizations of the basic idea. Ther…
No Inv.: 622-623/BD/Perp/86/2c
No Inv.: 637/BD/Perp/86/1c
No Inv.: 1559/PS2PT/Perp/94/1c
No Inv.: 2126-2130/Perp/79/5c
No Inv.: 824-829/BD/Perp/86/6c~1014/Perp/75/1c~1339/BD/Perp/91/1c
Translated from the original French by Bernard Sheehan; Edited and with an introduction by Dr. William Sheehan, a neuroscientist and amateur astronomer who is also a research fellow of the Lowell Observatory in Flagstaff, Arizona Le Verrier was a superb scientist. His discovery of Neptune in 1846 made him the most famous astronomer of his time. He produced a complete theory of the motions of…