Carbon nanotubes could be an excellent alternative to the platinum, palladium and other precious-metal catalysts now in use Platinum catalysts in fuel cells are too expensive for larg... Read more
A TubeSat is a (very) low-cost alternative to the CubeSat Interorbital Systems (IOS), a rocket and spacecraft construction company founded in 1996, is ready to fulfill its 2009 goal of makin... Read more