News tagged with fluorescent lighting

New microscope uses rainbow of light to image the flow of individual blood cells

Blood tests convey vital medical information, but the sight of a needle often causes anxiety and results take time. A new device developed by a team of researchers in Israel, however, can reveal much the same ...

Physics / Optics & Photonics

created May 21, 2012 | popularity not rated yet | comments 0 | with audio podcast

Rebates to cut price of $60 LED bulb

(AP) -- How much would you pay for an amazing, state-of-the-art light bulb? Shoppers will be asking themselves that very question at Home Depot and other outlets starting Sunday - Earth Day - when the bulb ...

Technology / Energy & Green Tech

created Apr 16, 2012 | popularity 4 / 5 (6) | comments 33

Electrons in concert: A simple probe for collective motion in ultracold plasmas

(PhysOrg.com) -- Collective, or coordinated behavior is routine in liquids, where waves can occur as atoms act together. In a milliliter (mL) of liquid water, 1022 molecules bob around, colliding. When a bre ...

Physics / Plasma Physics

created Feb 06, 2012 | popularity 4.5 / 5 (8) | comments 0 | with audio podcast

GOP wins battle of the bulb

Congress has dodged a government shutdown, agreeing to a $1 trillion spending bill that features a variety of rare compromises. Both Democrats and Republicans won some concessions, and it's too early to say who came out on ...

Technology / Energy & Green Tech

created Dec 26, 2011 | popularity 4.8 / 5 (5) | comments 58

Alternative LED lighting combats energy crisis

Alternative lighting is emerging as a potent method to combat the energy crisis. Light-emitting diode (LED) lighting technologies could provide an innovative way to save energy and make wasteful lighting obsolete.

Technology / Energy & Green Tech

created Nov 17, 2011 | popularity 5 / 5 (5) | comments 8 | with audio podcast

Researchers watch amyloid plaques form

Researchers at the University of Toronto Scarborough (UTSC) and Osaka University applied a new approach to take a close look at amyloid plaque formation, a process that plays important roles in Alzheimer's disease. The technique ...

Chemistry / Biochemistry

created Oct 03, 2011 | popularity 4 / 5 (3) | comments 0

Physicist detects movement of macromolecules engineered into our food

Toxin proteins are genetically engineered into our food because they kill insects by perforating body cell walls, and Professor Rikard Blunck of the University of Montreal's Group for the study of membrane proteins (GEPROM) ...

Chemistry / Analytical Chemistry

created Sep 12, 2011 | popularity 4.3 / 5 (3) | comments 0

Manufacturing method paves way for commercially viable quantum dot-based LEDs

University of Florida researchers may help resolve the public debate over America's future light source of choice: Edison's incandescent bulb or the more energy efficient compact fluorescent lamp. It could be neither.

Physics / Optics & Photonics

created Aug 31, 2011 | popularity 4.7 / 5 (7) | comments 3 | with audio podcast

Mercury vapor released from broken compact fluorescent light bulbs can exceed safe exposure levels

Once broken, a compact fluorescent light bulb continuously releases mercury vapor into the air for weeks to months, and the total amount can exceed safe human exposure levels in a poorly ventilated room, according ...

Space & Earth / Environment

created Jul 06, 2011 | popularity 5 / 5 (2) | comments 0

Physicists observe 'campfire effect' in blinking nanorod semiconductors

When semiconductor nanorods are exposed to light, they blink in a seemingly random pattern. By clustering nanorods together, physicists at the University of Pennsylvania have shown that their combined "on" time is increased ...

Nanotechnology / Nanophysics

created Jun 23, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Texas light bulb bill would skirt federal plan

Texas could soon be in a position to turn the lights off on a federal plan to phase out certain light bulbs.

Technology / Energy & Green Tech

created Jun 14, 2011 | popularity 4.1 / 5 (8) | comments 56

Single Green Fluorescent Protein-expressing cell is basis of living laser device

(PhysOrg.com) -- It sounds like something out of a comic book or a science fiction movie – a living laser – but that is exactly what two investigators at the Wellman Center for Photomedicine at Massachusetts ...

Physics / Optics & Photonics

created Jun 12, 2011 | popularity 4.9 / 5 (14) | comments 3 | with audio podcast

Laser beam makes cells 'breathe in' water and potentially anti-cancer drugs

Shining a laser light on cells and then clicking off the light makes the cells "breathe in" surrounding water, providing a potentially powerful delivery system for chemotherapy drugs, as well as a non-invasive way to target ...

Nanotechnology / Bio & Medicine

created Mar 16, 2011 | popularity 4.5 / 5 (2) | comments 0 | with audio podcast

Improving microscopy by following the astronomers' guide star

A corrective strategy used by astronomers to sharpen images of celestial bodies can now help scientists see with more depth and clarity into the living brain of a mouse. Eric Betzig, a group leader at the Howard Hughes Medical ...

Medicine & Health / Medical research

created Feb 17, 2011 | popularity 5 / 5 (2) | comments 0

Shedding light on a protein, and a future

While on a research co-op in London, Northeastern University senior Brendon Kellner investigated the inner workings of certain proteins through state-of-the-art ultrafast lasers. These lasers generate light ...

Chemistry / Biochemistry

created Dec 17, 2010 | popularity 5 / 5 (2) | comments 0