Add BrightSurf on Google Email

Science News for March 3, 1999


Control That Computer With A Wave Of Your Hand

MIT researchers have created a sensory tabletop that can track hand movements in three dimensions, allowing for new interactive technologies. The table uses electrodes to detect tiny currents generated by the user's hand, which are then used to calculate the hand's position in 3D space.

SourceNew Scientist·JournalThe New Scientist·DateMar 3, 1999

Transmitters May Give Off-Piste Skiers A False Sense Of Security

Recent studies indicate that electronic transmitters used by off-piste skiers to locate buried victims are ineffective due to limited range and prolonged rescue times. The signals only carry up to 50 meters and professional skiers take an average of 18 minutes to reach their companions, resulting in a low survival rate.

SourceNew Scientist·JournalThe New Scientist·DateMar 3, 1999