Vote
Researchers used high-voltage electrodes to ionize air and accelerate it, the resulting ionic wind produces a thrust force in the opposite direction to ion flow. In the future, the concept could be used to power cleaner and quieter aeroplanes.
Posted 1 year ago by boyt in category: science   Comments (0)


Vote
Posted 12 years ago by boyt in category: science   Comments (0)


Vote
Posted 7 years ago by boyt in category: science   Comments (4)



Vote
Vaccines are one of our best tools to prevent dangerous diseases, but they come with side effects. So would it be safer not to vaccinate?
Posted 1 year ago by DETSCHS in category: science   Comments (4)


Vote
Aluminum foil ship floating above ground on sulphur hexafluoride (gas significantly denser than air)
Posted 13 years ago by boyt in category: science   Comments (0)