Wednesday , 24 April 2024
Home » Science (page 206)

Science

New Laser sensor could lead way to handheld bomb-detectors

New Laser sensor could lead way to handheld bomb-detectors

A team of researchers led by Xiang Zhang, professor of mechanical engineering at the University of California, Berkeley, has created a lasing plasmon explosives-sniffing nanosensor that is free of metal losses and operates at a scale far below the diffraction limit for visible light.1 The sensor consists of a layer of the semiconductor cadmium sulfide on top of a silver ... Read More »

‘Fireball’ in the Sky Caught on Tape (Video)

'Fireball' in the Sky Caught on Tape

Meteor reports stream in after a huge fireball is sighted in Virginia, Maryland, North Carolina, Delaware and Pennsylvania. Reports came in fast and furious to the American Meteor Society’s “Fireball Page,” which tracks citizen sightings of meteors. Many of the reports read like this one from Peter in Chester: “It was the brightest I’ve ever seen. I even heard a ... Read More »

California : Bald Eagles Spotted After More Than 50 Years

California : Bald Eagles Spotted After More Than 50 Years

For the first time in 50 years, a nesting bald eagle pair was spotted on San Clemente Island, one of the islands in the Channel Islands chain off the coast of California. The sighting means that bald eagles have now returned to five out of the eight islands, a forward progress that has conservationists cheering after decades of recovery efforts. Read More »

Nasa rover finds large iron meteorite on Mars (Photo)

Nasa rover finds large iron meteorite on Mars

NASA’s Mars rover Curiosity recently discovered its very first meteorite on the Red Planet, and it wasn’t a small one at all. The meteorite has been dubbed “Lebanon” by scientists, and is nearly 7 freet wide and is made of iron. Curiosity snapped images of the newly discovered meteorite, which also show a smaller meteorite nearby which has since been ... Read More »

NASA Closer Than Ever To Find Extraterrestrial Life (Video)

NASA Closer Than Ever To Find Extraterrestrial Life

Nasa has outlined the agency’s next moves towards finding life beyond Earth, an ongoing journey that involves a number of current and future telescopes. Speaking at a public talk held at Nasa headquarters in Washington, experts from the space agency and its partner institutions added that finding intelligence outside our planet is within reach. Read More »