News tagged with ultraviolet

Transparent aluminium is 'new state of matter'

(PhysOrg.com) -- Oxford scientists have created a transparent form of aluminium by bombarding the metal with the world’s most powerful soft X-ray laser. 'Transparent aluminium' previously only existed in science ...

Physics / Condensed Matter

created Jul 27, 2009 | popularity 4.3 / 5 (107) | comments 48

Will 3-D printing launch a new industrial revolution?

Peter Schmitt, an MIT doctoral student, printed a clock in 2009. He didn't print an image of a clock on a piece of paper. He printed a three-dimensional clock -- an eight-inch diameter plastic timekeeping ...

Technology / Engineering

created Apr 13, 2012 | popularity 4.8 / 5 (34) | comments 56 | with audio podcast

NASA's New Eye on the Sun Delivers Stunning First Images (w/ Video)

(PhysOrg.com) -- NASA's recently launched Solar Dynamics Observatory, or SDO, is returning early images that confirm an unprecedented new capability for scientists to better understand our sun’s dynamic processes. ...

Space & Earth / Space Exploration

created Apr 21, 2010 | popularity 5 / 5 (29) | comments 4 | with audio podcast

Clearing the cosmic fog: The most distant galaxy ever measured (w/ Video)

(PhysOrg.com) -- A European team of astronomers using ESO's Very Large Telescope (VLT) has measured the distance to the most remote galaxy so far. By carefully analysing the very faint glow of the galaxy they ...

Space & Earth / Astronomy

created Oct 20, 2010 | popularity 4.8 / 5 (30) | comments 13 | with audio podcast

Researchers discover how key enzyme repairs sun-damaged DNA

Researchers have long known that humans lack a key enzyme -- one possessed by most of the animal kingdom and even plants -- that reverses severe sun damage.

Medicine & Health / Medical research

created Jul 25, 2010 | popularity 4.9 / 5 (28) | comments 3 | with audio podcast

Scientists Reproduce a Building Block of Life in Laboratory

(PhysOrg.com) -- NASA scientists studying the origin of life have reproduced uracil, a key component of our hereditary material, in the laboratory.

Chemistry / Biochemistry

created Nov 06, 2009 | popularity 4.9 / 5 (28) | comments 0

NIF facility fires record laser shot into target chamber

(PhysOrg.com) -- The National Ignition Facility (NIF) at Lawrence Livermore National Laboratory in California has set a new record for a laser shot. This past week, its combined 192 lasers fired a single 1.875-megajoule ...

Physics / General Physics

created Mar 21, 2012 | popularity 4.8 / 5 (28) | comments 36 | with audio podcast report

Expanding Spot on Venus Puzzles Astronomers

(PhysOrg.com) -- The expanding spot discovered on Venus last month may not have garnered as much attention as the meteor impact with Jupiter, but its cause is certainly more puzzling. ...

Space & Earth / Space Exploration

created Aug 04, 2009 | popularity 4.3 / 5 (31) | comments 7 weblog

Giant ultraviolet rings found in resurrected galaxies

Astronomers have found mysterious, giant loops of ultraviolet light in aged, massive galaxies, which seem to have a second lease on life. Somehow these "over-the-hill galaxies" have been infused with fresh ...

Space & Earth / Astronomy

created Aug 11, 2010 | popularity 4.7 / 5 (27) | comments 51 | with audio podcast

Microbes survive a year and a half in space

(PhysOrg.com) -- Bacteria collected from rocks taken from the cliffs at the tiny English fishing village of Beer in Devon, have survived on the outside surface of the International Space Station for 553 days. ...

Space & Earth / Space Exploration

created Aug 25, 2010 | popularity 5 / 5 (22) | comments 7 | with audio podcast report

Shaking the Fundamentals of Physics: At the Limits of the Photoelectric Effect

With extremely short wavelengths and very high intensities, light-matter interaction seems to be different than previously accepted.

Physics / General Physics

created Apr 24, 2009 | popularity 4.3 / 5 (24) | comments 9

Hubble snaps sharp image of cosmic concoction (w/ Video)

(PhysOrg.com) -- A colourful star-forming region is featured in this stunning new NASA/ESA Hubble Space Telescope image of NGC 2467. Looking like a roiling cauldron of some exotic cosmic brew, huge clouds ...

Space & Earth / Astronomy

created Jul 13, 2010 | popularity 4.6 / 5 (19) | comments 4 | with audio podcast

Voyager instrument cooling after heater turned off

(PhysOrg.com) -- In order to reduce power consumption, mission managers have turned off a heater on part of NASA's Voyager 1 spacecraft, dropping the temperature of its ultraviolet spectrometer instrument ...

Space & Earth / Space Exploration

created Jan 18, 2012 | popularity 4.7 / 5 (18) | comments 22 | with audio podcast

Presto! Fast color-changing material may lead to more powerful computers (w/Video)

(PhysOrg.com) -- Researchers in Japan are reporting development of a new so-called "photochromic" material that changes color thousands of times faster than conventional materials when exposed to light.

Chemistry / Materials Science

created Apr 23, 2009 | popularity 4.4 / 5 (18) | comments 7

New Hubble Maps of Pluto Show Surface Changes (w/ Video)

(PhysOrg.com) -- NASA today released the most detailed set of images ever taken of the distant dwarf planet Pluto. The images taken by NASA's Hubble Space Telescope show an icy and dark molasses-colored, mottled ...

Space & Earth / Astronomy

created Feb 04, 2010 | popularity 4.9 / 5 (16) | comments 7 | with audio podcast