Physics and Astronomy News Archive: September 2009
World's Smallest Semiconductor Laser
Source: Berkeley Posted: 9/7/09 Researchers have reached a new milestone in laser physics by creating the world's smallest semiconductor laser, capable of generating visible light in a space smaller than a single protein molecule.
Robots Swim With the Fishes
Source: MIT Posted: 9/7/09 Borrowing from Mother Nature, a team of MIT researchers has built a school of swimming robo-fish that slip through the water just as gracefully as the real thing, if not quite as fast.
Acoustic Tweezers Move Tiny Objects
Source: PSU Posted: 9/7/09 Manipulating tiny objects like single cells often requires relatively large, unwieldy equipment, but now a system that uses sound as a tiny tweezers can be small enough to place on a chip.
'Our loyalties are to the species and the planet. We speak for Earth. Our obligation to survive is owed not just to ourselves but also to that Cosmos, ancient and vast, from which we spring.'