laser
Laser device may soon non-invasively monitor diabetics' glucose levels
Posted in Science on 18th Jul, 2015
by Alex Muller
A low-powered laser beam is projected into the finger. Some of that light is absorbed by glucose in the bloodstream, and some is reflected back.
Laser 'tricorder' can diagnose malaria through the skin
Posted in Medicine on 24th Jun, 2015
by Alex Muller
It's a weapon that fights malaria; a laser scan can give an accurate diagnosis in seconds, without breaking the skin.
Laser Thruster Propels Simulated Spacecraft
Posted in Hardware on 16th May, 2015
by Alex Muller
Laser power is still a long way from being ready for any kind of planetary exploration, but this first test confirms that it works.
Should We Arm the International Space Station With Lasers to Destroy Space Junk?
Posted in Science on 24th Apr, 2015
by Alex Muller
Space junk, traveling up to 10 times the speed of a bullet, endangers spacecraft, and it is very hard to remove.
Lasers could be used to zap hazardous orbital debris
Posted in Hardware on 18th Apr, 2015
by Alex Muller
Orbital debris is becoming a hazard to satellites and other spacecraft, which is why various groups have proposed concepts such as gas clouds, nets and sails for collecting it.