Posts Tagged ‘silicon’
Nanospheres trap light and hold on longer
STANFORD (US) — Engineers have created photovoltaic nanoshells that harness a peculiar physical phenomenon to better trap light. Continue…
Thursday, February 9, 2012 13:25 - 0 Comments
Health & Medicine - Nov 15, 2011 12:39 - 0 Comments
Sensor brings epileptic brain into focus
NYU / U. ILLINOIS / U. PENN (US) — A flexible sensor is expected to offer unprecedented views of brain activity during epileptic seizures—as much as 400 times current levels—with minimal wiring. (more…)
Science & Technology - Oct 7, 2011 11:34 - 2 Comments
Sulphur gives battery 10x more storage
STANFORD (US) — By combining sulfur-coated hollow carbon nanofibers and an electrolyte additive, researchers have designed a battery that overcomes the storage challenges of current lithium-ion versions. (more…)
Science & Technology - Sep 23, 2011 10:01 - 0 Comments
Floating ‘vacuum’ probes cell behavior
MCGILL U. (CAN) — New technology is expected to serve as a powerful tool to study crucial cellular processes, including cancer cell formation and how neurons align themselves in the developing brain. (more…)
Science & Technology - Aug 8, 2011 9:54 - 0 Comments
Nanodiamonds: Circuitry’s best friend
VANDERBILT (US) — Computer chips and electronic circuitry made from diamonds operate faster with less power and could also be largely immune to radiation damage, like that seen at the Fukushima power plant after the Japanese tsunami. (more…)
Science & Technology - Aug 5, 2011 9:17 - 1 Comment
Engineers isolate light on photonic chip
CALTECH (US) — A new technique that isolates light signals on a silicon chip solves a longstanding problem in engineering photonic chips. (more…)
Science & Technology - Jun 27, 2011 14:33 - 0 Comments
Sea microphone works like orca ears
STANFORD (US) — Taking a cue from orca whales, scientists have developed a highly-sensitive microphone the size of a pea that can be used underwater at any depth, to hear sounds at any range. (more…)
Top Stories - Jun 22, 2011 10:25 - 4 Comments
How to split water with silicon and sunshine
STANFORD (US) — Researchers have overcome a major obstacle to using solar power to split water into pure oxygen and hydrogen fuel—the Holy Grail for clean energy. (more…)
Science & Technology - Feb 18, 2011 11:51 - 0 Comments
Anti-lasers: Latest zap! technology
YALE (US) — Scientists have invented the world’s first anti-laser, in which incoming beams of light interfere with one another in such a way as to perfectly cancel each other out. (more…)
Top Stories - Feb 7, 2011 9:16 - 0 Comments
Nanolasers grown on silicon
UC BERKELEY (US) — Engineers have found a way to grow nanolasers directly onto a silicon surface, paving the way for highly efficient silicon photonics. (more…)
Science & Technology - Oct 4, 2010 15:07 - 0 Comments
Nanomesh slows down heat travel
CALTECH (US) — A new type of mesh material made out of silicon—the second most abundant element in Earth’s crust—could lead to more efficient devices that convert heat to electricity and vice versa. (more…)
Science & Technology - Sep 1, 2010 8:08 - 0 Comments
Silicon chips could push limits of small
RICE (US)—Scientists have created the first two-terminal memory chips that use only silicon, one of the most common substances on the planet, in a way that should be easily adaptable to nanoelectronic manufacturing techniques. (more…)
Science & Technology - Jun 1, 2010 11:54 - 0 Comments
Efficient semiconductor chips for solar cells
U. ILLINOIS (US)—A novel manufacturing method that uses gallium arsenide (GaAs) instead of silicon to create semiconductor chips could greatly improve the efficiency and lower the cost of solar energy devices. (more…)
Health & Medicine - May 17, 2010 11:58 - 2 Comments
Flexible implant maps heart’s electrical activity
U. PENN (US)—Researchers have created and tested a new type of implantable device for measuring the heart’s electrical output. The device represents the first use of flexible silicon technology for a medical application. (more…)
Science & Technology - May 12, 2010 10:47 - 0 Comments
Another nail in the silicon chip coffin
MCGILL U. (CAN)—Physicists have developed a system for measuring the energy involved in adding electrons to semi-conductor nanocrystals, also known as quantum dots—a technology that may revolutionize computing and other areas of science. (more…)
Science & Technology - Mar 1, 2010 11:46 - 1 Comment
Is silk the secret to better biomonitors?
U. ILLINOIS (US)—Futuristic medical devices—such as an “electronic tattoo” that monitors blood sugar levels—have entered the realm of the possible with the creation of silicon-on-silk electronics. (more…)
Science & Technology - Feb 17, 2010 16:49 - 3 Comments
Flexible solar cells soak up the sun
CALTECH (US)—Scientists have created a new type of flexible solar cell that enhances the absorption of sunlight and efficiently converts its photons into electrons. The solar cell does all this using only a fraction of the expensive semiconductor materials required by conventional models. (more…)
Science & Technology - Jan 29, 2010 12:36 - 8 Comments
Take a hike with energy-harvesting rubber films
PRINCETON (US)—Power-generating rubber films could make it possible to harness natural body movements—such as breathing and walking—to power pacemakers, mobile phones, and other electronic devices. (more…)
Science & Technology - Dec 10, 2009 13:56 - 8 Comments
Tiny transistor may become conductor king
CORNELL (US)—A newly developed and extremely efficient transistor may soon replace silicon as the semiconductor of choice for power applications. (more…)
