News articles tagged with 'object'
Berkeley Lab researchers make first perovskite-based superlens for the infrared
— 30 Mar 2011 16:22 | TechnologySuperlenses earned their superlative by being able to capture the 'evanescent' light waves that blossom close to an illuminated surface and never travel far enough to be 'seen' by a…
A very cool pair of brown dwarfs
— 28 Mar 2011 17:42 | AstronomyBrown dwarfs are essentially failed stars: they lack enough mass for gravity to trigger the nuclear reactions that make stars shine. The newly discovered brown dwarf, identified as…
Tying the knot with computer-generated holograms: Winding optical path moves matter
— 15 Mar 2011 21:08 | TechnologyIn the latest twist on optical knots, New York University (NYU) physicists have discovered a new method to create extended and knotted optical traps in three dimensions. This method,…
Optical illusions show vision in a new light
— 11 Mar 2011 15:10 | BiologyOptical illusions have fascinated humans throughout history. Greek builders used an optical illusion to ensure that that their columns appeared straight (they built them with a bulge)…
Build your online networks using social annotations
— 17 Feb 2011 17:30 | TechnologyResearchers at Toshiba are working on a way of finding clusters of like-minded bloggers and others online using 'social annotations.' Social annotations are the tags and keywords, the…
Jupiter scar likely from rocky body
— 27 Jan 2011 18:50 | AstronomyA hurtling asteroid about the size of the Titanic caused the scar that appeared in Jupiter's atmosphere on July 19, 2009, according to two papers published recently in the journal Icarus…
New telescope is exploring solar system 'outback'
— 13 Jan 2011 17:06 | AstronomyIn the outer reaches of our solar system lies a mysterious region far more remote and difficult to explore than the Australian outback. It remains the only part of our solar system…
The 'mad' Egyptian scholar who proved Aristotle wrong
— 8 Jan 2011 13:36 | PhysicsIbn al-Haytham's 11th-century Book of Optics, which was published exactly 1000 years ago, is often cited alongside Newton's Principia as one of the most influential books in physics.…
Newly developed cloak hides underwater objects from sonar
— 6 Jan 2011 15:14 | TechnologyIn one University of Illinois lab, invisibility is a matter of now you hear it, now you don't…
Exposure to more diverse objects speeds word learning in tots
— 7 Dec 2010 17:16 | HealthTwo toddlers are learning the word 'cup.' One sees three nearly identical cups; the other sees a tea cup, a sippy cup and a Styrofoam cup. Chances are, the second child will have a…