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Nanotechnology

INSIDER : Nanotechnology
Scientists Develop Extreme Light Trapping Technology

A silicon solar cell harvests the energy of the sun as light travels down through light-absorbent silicon. To reduce weight and cost, solar cells are thin, and while silicon absorbs...

Articles : Nanotechnology
Carbon Nanotube Resin Shores Up Boats and Bikes

Spinoff is NASA’s annual publication featuring successfully commercialized NASA technology. This commercialization has contributed to the development of products and services in the fields of health and medicine, consumer goods, transportation, public safety, computer technology, and...

INSIDER : Photonics/Optics
Engineers Invent Method to Control Light Propagation in Waveguides

A team of Columbia Engineering researchers, led by Applied Physics Assistant Professor Nanfang Yu, has invented a method to control light propagating in confined pathways, or waveguides, with high efficiency by using nano-antennas. To demonstrate this technique, they built...

Articles : Sensors/Data Acquisition
Spinoff: Wireless Platform Integrates Sensors with Smartphones

In 2007, when the Department of Homeland Security (DHS) issued a call for a sensor that could equip a smartphone with the ability to detect dangerous gases and chemicals, Ames Research Center scientist Jing Li had a ready response. Four years earlier, she led a team that wrote a...

News : RF & Microwave Electronics
Tiny Graphene Radios May Lead to Internet of Nano-Things

For wireless communication, we’re all stuck on the same traffic-clogged highway — it’s a section of the electromagnetic spectrum known as radio waves. Advancements have made the...

News : Sensors/Data Acquisition
Supersonic Spray Yields New Nanomaterial for Bendable, Wearable Electronics

A new, ultrathin film that is both transparent and highly conductive to electric current has been produced by a cheap and simple method devised by an international...

News : Nanotechnology
Microwaves Target Deep Tumors

Physicists at the University of Texas at Arlington have shown that using microwaves to activate photosensitive nanoparticles produces tissue-heating effects that ultimately lead to cell death within solid tumors. The new concept, which combines microwaves with photodynamic therapy, opens new avenues for targeting...

News : Electronics & Computers
Scientists Find Twisting 3-D Electron Raceway in Nanoscale Crystal Slices

Researchers have created an exotic 3-D racetrack for electrons in ultrathin slices of a nanomaterial they fabricated at the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab). The international team of scientists from Berkeley Lab, UC Berkeley,...

News : Nanotechnology
Glucose-Sensing Contact Lens Enables Noninvasive Testing

Blood testing is the standard option for checking glucose levels, but a new technology could allow noninvasive testing via a contact lens that samples glucose levels in tears. Glucose is a good target for optical sensing, and especially for what is known as surface-enhanced Raman...

News : Nanotechnology
Nanoscale Sculpturing of Metals Can Improve Biocompatibility for Implants

How metals can be used depends particularly on the characteristics of their surfaces. A research team at Kiel University has discovered how they can change the surface properties without affecting the mechanical stability of the metals or changing the metal characteristics...

News : Nanotechnology
Morphing Nanotubes into Tougher Carbon for Aerospace

Rice University materials scientists are making nanodiamonds and other forms of carbon by smashing nanotubes against a target at high speeds. The process will enrich the knowledge of engineers who design structures that resist damage from high-speed impacts. The diamonds are the result of a...

News : Energy
Nanomaterial Could Speed Up Electric Vehicle Charging

A new material could one day speed up the charging process of electric cars and help increase their driving range. Researchers have combined a covalent organic framework (COF) – a strong, stiff polymer with an abundance of tiny pores suitable for storing energy – with a very conductive...

News : Materials
Advanced Spray-On Material Repels Water

A new spray-on material from engineers at The Australian National University (ANU) offers a more robust waterproofing capability than previous coatings. Combining two plastics, one tough and one flexible, the invention could eventually be used to protect mobile phones, de-ice airplane parts, or keep boat...

News : Materials
Plastic-Based Textile Leads to 'Cool' Clothes

A low-cost, plastic-based textile from Stanford University engineers could cool the body efficiently when woven into clothing.

News : Materials
Molecular Switch for Controlling Color

A collaboration of researchers from Kumamoto, Yamaguchi, and Osaka Universities in Japan have discovered a new method of drastically changing the color and fluorescence of a particular compound using only oxygen (O2) and hydrogen (H2) gases. The fully reversible reaction is environmentally friendly since it...

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