Quantum Dots May Lead to Rainbow Solar Cell
Nanotechnology / Nanomaterials
Mar 07, 2008 |
4.6 / 5 (118) |
3
For the first time, researchers have created solar cells made of different-sized quantum dots, each tuned to a specific wavelength of light. By arranging these quantum dots in an ordered pattern, the scientists ...
Graphene Takes the Heat
Feb 20, 2008 |
4.7 / 5 (109) |
2
Carbon nanotubes are being touted by many scientists and engineers as the material of the future, with the potential to revolutionize electronic technologies. But a new study shows that nanotubes may not be ...
Using fireballs to uncover the mysteries of ball lightning
Feb 18, 2008 |
4.4 / 5 (51) |
6
“People have been pondering ball lightning for a couple of centuries,” says James Brian Mitchell, a scientist the University of Rennes in France. Mitchell says that different theories of how it forms, and why it burns in ...
Microscope Sees with Nanoscale Resolution
Jan 28, 2008 |
4.3 / 5 (74) |
4
Researchers have recently built an x-ray microscope that has a pixel resolution of just 15 nanometers, allowing scientists to study the properties of materials at the molecular scale and beyond.
Scientists Make 'Perfect' Nanowires
Jan 23, 2008 |
4.3 / 5 (57) |
2
Scientists have created silicon nanowires that are perfect—at least atomically. Down at the single-atom level, the identical wires have no bumps, bends, or other imperfections. They are perfectly crystalline, even more so ...
Nanoparticles Generate Supersonic Shock Waves to Target Cancer
Jan 16, 2008 |
4.6 / 5 (60) |
1
By mixing nanomaterials that act as fuel and oxidizer, researchers have created a combustible nano explosive that can generate shock waves with Mach numbers up to 3.
Printable, Flexible Carbon-Nanotube Transistors
Jan 08, 2008 |
4.5 / 5 (61) |
2
Scientists from the University of Massachusetts Lowell and Brewer Science, Inc. have used carbon nanotubes as the basis for a high-speed thin-film transistors printed onto sheets of flexible plastic. Their method may allow ...
Plumbing Carbon Nanotubes
Jan 07, 2008 |
4.6 / 5 (60) |
0
Scientists have determined how to connect carbon nanotubes together like water pipes, a feat that may lead to a whole new group of bottom-up-engineered nanostructures and devices.
Nanodisk Codes
Dec 27, 2007 |
4 / 5 (50) |
3
Researchers at Northwestern University have devised a way to use billionth-of-a-meter-sized disks to create codes that could be used to encrypt information, serve as biological labels, and even tag and track ...
'Nanocavity' Sensor Detects Virus-Sized Particles
Dec 20, 2007 |
4.8 / 5 (48) |
1
Scientists have created a nanoscale device that is capable of detecting one quadrillionth of a gram of biological matter, or about the size of certain viruses. In the future, the sensor may be able to detect ...
Virtual 3D nanorobots could lead to real cancer-fighting technology
Dec 05, 2007 |
4.6 / 5 (147) |
0
From eliminating the side effects of chemotherapy to treating Alzheimer’s disease, the potential medical applications of nanorobots are vast and ambitious. In the past decade, researchers have made many improvements ...
New Flexible, Transparent Transistors made of Nanotubes
Nov 27, 2007 |
4.5 / 5 (77) |
0
The ability to create flexible, transparent electronics could lead to a host of novel applications, such as e-paper and electronic car windshields. Now, scientists have constructed a transistor made of a network ...
Nanodevices could use quantized current to operate future electronics
Nov 26, 2007 |
4.7 / 5 (46) |
2
For the past several decades, virtually all electronics devices have been based on the CMOS logic system, which uses semiconductors and transistors to form digital circuits. However, researchers today are investigating the ...
First Direct Images of Carbon Nanotubes Entering Cells
Nanotechnology / Bio & Medicine
Nov 15, 2007 |
4.5 / 5 (86) |
14
For the first time, scientists have directly imaged carbon nanotubes entering and migrating within human cells, determining as a result that whether the nanotubes cause cell death depends on the dose and exposure ...
Discovering new properties in carbon nanotubes
Nov 06, 2007 |
3.9 / 5 (47) |
0
The trend in science is moving toward smaller devices. Indeed, single electron devices are considered one way for computing and other electronic applications to become ever smaller in size, while still providing large operating ...
