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Nanotechnology news
A new kind of sensor could warn emergency workers when carbon filters in the respirators they wear to avoid inhaling toxic fumes have become dangerously saturated.
High-performance nanotech materials arrayed on a flat panel platform demonstrated seven to eight times higher efficiency than previous solar thermoelectric generators, opening up solar-thermal electric power conversion to a broad range of residential and industrial uses, a team of researchers from Boston College and MIT report in the journal Nature Materials.
Physics news
Watching things disappear "is an amazing experience," admits Joachim Fischer of the Karlsruhe Institute of Technology in Germany. But making items vanish is not the reason he creates invisibility cloaks. Rather, the magic-like tricks are attractive demonstrations of the fantastic capabilities that new optical theories and nanotechnology construction methods now enable.
Space & Earth news
(AP) -- The state of Utah filed a lawsuit Friday against the federal government over an Obama administration plan to make millions of acres of undeveloped land in the West eligible for federal wilderness protection.
(AP) -- At least one of the massive tornadoes that killed hundreds across the South this week was a devastating EF-5 storm, according to an analysis Friday by the National Weather Service, which suspects several others also were the worst of the worst.
(AP) -- Weather scientists are retracing the footprints of this week's monstrous tornadoes the way detectives would investigate a crime scene: talking to witnesses, watching surveillance video and even taking the measurements of the trees ripped from the ground.
(AP) -- Engineers should know Sunday whether Endeavour's six-man crew and their families - including wounded Rep. Gabrielle Giffords - need to stick around for a Monday launch attempt or come back sometime around Mother's Day.
Peasant farmer Wang Tao used to grow corn, potatoes and wheat within a stone's throw of a dumping ground for rare earths waste until toxic chemicals leaked into the water supply and poisoned his land.
Flood-prone Venice has launched an ambitious plan to build mobile barriers at the mouth of its lagoon to protect the city from rising sea levels.
Space shuttle Endeavour's final launch is off until at least the end of the week because technicians need to replace a switch box in the engine compartment, NASA said Sunday.
The biggest 3-D map of the distant universe ever made, using light from 14,000 quasars – supermassive black holes at the centers of galaxies billions of light years away – has been constructed by scientists with the third Sloan Digital Sky Survey (SDSS-III).
Provided by PhysOrg.com
