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Good News for Nanomedicine: Quantum Dots Appear Safe in Pioneering Study on Primates
May 20, 2012 — A pioneering study to gauge the toxicity of quantum dots in primates has found the tiny crystals to be safe over a one-year period, a hopeful outcome for doctors and scientists seeking new ways to ... > full story -
Quantum Computing: The Light at the End of the Tunnel May Be a Single Photon
May 18, 2012 — Semiconductors are the foundation of modern computer technology. Now a photon's literal quantum leap may point the way to a semiconductor-based quantum ... > full story -
Using Graphene, Scientists Develop a Less Toxic Way to Rust-Proof Steel
May 18, 2012 — Researchers are making significant progress on rust-proofing steel using a graphene-based composite that could serve as a nontoxic alternative to coatings that contain hexavalent chromium, a probable ... > full story -
New Silicon Memory Chip May Offer Super-Fast Memory
May 18, 2012 — The first purely silicon oxide-based "resistive RAM" memory chip that can operate in ambient conditions -- opening up the possibility of new super-fast memory -- has now been ... > full story -
Ultra-Short Laser Pulses for Science and Industry
May 18, 2012 — The shorter the pulse duration, the more precisely the laser tool operates. Ultra-short laser pulses of outstanding high average püower are opening the doors to new applications in high ... > full story -
Chemists Merge Experimentation With Theory in Understanding of Water Molecule
May 18, 2012 — Using newly developed imaging technology, chemists have confirmed years of theoretical assumptions about water molecules, the most abundant and one of the most frequently studied substances on ... > full story -
Diamond Used to Produce Graphene Quantum Dots and Nano-Ribbons of Controlled Structure
May 17, 2012 — Researchers have come closer to solving an old challenge of producing graphene quantum dots of controlled shape and size at large densities, which could revolutionize electronics and ... > full story -
Graphite Enters Different States of Matter in Ultrafast Experiment
May 16, 2012 — For the first time, scientists have seen an X-ray-irradiated mineral go to two different states of matter in about 40 femtoseconds. Scientists heated graphite to induce a transition from solid to ... > full story -
Full Control of Plastic Transistors
May 16, 2012 — Transistors made of plastic can be controlled with great precision, according to a new ... > full story -
New 'Metamaterial' Practical for Optical Advances
May 15, 2012 — Researchers have taken a step toward overcoming a key obstacle in commercializing "hyperbolic metamaterials," structures that could bring optical advances including ultrapowerful microscopes, ... > full story -
Beyond the High-Speed Hard Drive: Topological Insulators Open a Path to Room-Temperature Spintronics
May 15, 2012 — Theorists and experimenters have explored the unique properties of topological insulators, where electrons may flow on the surface without resistance, with spin orientations and directions intimately ... > full story -
Watching the 'Birth' of an Electron: Ionization Viewed With 10 Attosecond Resolution
May 15, 2012 — A strong laser beam can remove an electron from an atom – a process which takes place almost instantly. This phenomenon could now be studied with a time resolution of less than ten attoseconds ... > full story
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