Add Yahoo as a preferred source to see more of our stories on Google. NASA veteran says vacuum tests reveal a strange thrust force with no fuel. (CREDIT: Exodus Technologies) For as long as rockets ...

Ferroelectric fluids use a strong transverse electrostatic force to climb 80 mm, enabling lightweight, low-voltage motors and compact energy-efficient actuators. (Nanowerk News) Researchers have ...

For as long as rockets have existed, motion in space has come with a brutal tradeoff. To move forward, you throw mass backward, and that means carrying huge amounts of fuel. Charles Buhler says that ...