Popular Science announces Third Annual 'Brilliant 10'
...n early-warning system for terrorism. By designing lasers that emit multiple frequencies, Gmachl made it pos... detect many different chemicals. Shine one of her lasers across a highway to a sensor on the other side, and you could create a detection system for noxious ...Bright idea could doom cancer and viruses, say Purdue scientists
...gh the arteries and flood a tumor with light. Some lasers are also capable of shining through tissue without damaging it, and they might also be candidates for light delivery." The compound - known as DPPZPHEN, an abbreviation of its long chemical name - also has potential as an antiviral or blood sterilizi...Free electron laser reaches 10 kW
...than beams from a conventional laser. Conventional lasers are limited in the wavelength of light they emit by the source of the electrons (such as a gas or crystal) used within the laser. In the FEL, electrons are stripped from their atoms and then whipped up to high energies by a linear accelerator. From t...Funding to commercialize technologies of UC San Diego engineers tops $1.2 million
...ed in a single fiber optic, based on tunable diode lasers that are used in the telecommunications industry. Buckley's sensors can measure emissions and performance oscillations at rates needed for rapid feedback control of these devices (e.g., 500 Hz and above), and because the sending and receiving electro...Strengthening independent junior research groups in collaborative research centres
...ilhelms University, Bonn) The pulses of new lasers only last for attoseconds, a quintillionth of a second, but produce an energy output of several petawatts, i.e., quadrillions of watts. They thus create energy densities greater than those in the interior of the sun. Scientists at the Transregional C...New laboratory model can be used to test new treatments for pediatric eye cancer
...g chemotherapy and intensive focal treatments with lasers and cryotherapy, which means killing cancer cells by freezing them. The main goal of these treatments is to save the eyes and, if possible, to avoid or delay radiation therapy. Unfortunately, in many cases, one or both eyes must be removed if other t...Nanotechnology highlights from the ACS national meeting in Anaheim, Calif., March 28-April 1
...cribed below: Sunday, March 28 World's smallest lasers may pave the way for faster computers Researcher.... What's more, several different types of nanowire lasers can be bundled together on a single chip, allowing more versatile applications. The development coul...Purdue chemists 'put the twist' on protein building block
...o drug development and computer memory. Using lasers to initiate and probe the folding process, a group including chemist Timothy Zwier have precisely determined the energies needed to twist tryptamine, a molecule with several flexible "hinges" that bears a close resemblance to an amino acid, the basis...Intel and Fred Hutchinson to explore the use of nanotechnology tools for early disease detection
...s Precision Biology program. "The instrument beams lasers onto tiny medical samples, such as blood serum, to create images that reveal the chemical structure of molecules. The goal is to determine if this technology, previously used to detect microscopic imperfections on silicon chips, can also detect subtl...Researcher to locate lung tumors with lasers
...onal Laboratory and has done work with short-pulse lasers under grants from the National Science Foundation, and Sandia National Laboratory....Tiny 'test tubes' may aid pharmaceutical R&D
...some other techniques. They used pairs of infrared lasers ("optical tweezers") to bring two liposomes into contact and a single ultra-violet laser pulse (the "optical scalpel") to fuse the two cells together. Once fused, the contents of the two cells mix and react. One liposome in each pair contained fluore......erful free-electron laser, or FEL. Free electron lasers have been shown to generate very large amounts of power, tunable from the microwave to the visible spectrum. The Office of Naval Research is part of a team that is developing an electrically driven, tunable laser that could transmit infrared light f...Insulin study sheds light on physics of crystal growth
...e next generation of computer chips, as well as in lasers used in nuclear fusion and nuclear weapons researc...phate, or KDP, to incorporate into each of the 192 lasers that make up the world's most powerful system of laser beams. The facility is used for nuclear fusio...Automated imaging of brain tissue, high-quality glimpses inside arteries
...r world - the semiconductor laser, the inexpensive lasers that are found ubiquitously in CD players, DVD pla... four separate labs that independently built these lasers in a thrilling race forty years ago. The Plenary discussion will highlight the monumental achievem...A kindler, gentler cut for LASIK
...udy of 208 procedures in 108 patients, femtosecond lasers can make clean, high-precision cuts in the human c...rcialized the technology and currently has over 40 lasers operating in clinics around the country. Over 30,000 procedures have been safely completed with the ...Engineers design new optical microprobe to detect subsurface organ abnormalities
...it light of a single color frequency like complete lasers can. The special combination of features permits OCT investigators to use it in interferometry. Interferometry is a technique to create visual images by rapidly scanning surfaces with light of various wavelengths while interpreting the return reflec...New poll shows dramatic rise in Americans' 'DNA I.Q.'
...essfully define molecule; less than half knew that lasers do not focus sound waves; less than half knew that electrons are smaller than atoms, etc....Teasing apart the molecules of life
...impossible up until now because the light from the lasers used in conventional optical traps is too bright to allow single molecule florescence to be seen. Matthew Lang, Polly Fordyce and Steven Block devised a new method, which uses special filters and specific fluorescence labels, to successfully combine ...Physics tip sheet #30 - January 9, 2003
...oactive potassium atom is trapped with magnets and lasers to watch it decay. By carefully analyzing the paths of the decay products, details about the neutrino can be deduced. Journal article: http://link.aps.org/abstract/PRL/v90/e012501...Science's top ten: Discovery of genes' 'control switches' named top advance of 2002
...utter speeds last year, in 2002 they trained their lasers on individual atoms, tracking electrons as they jumped up and down different energy levels. A whole new look at life inside the atom is coming soon to a laser physics lab near you. Look Into the Eyes. Look Deep Into the Eyes. In 2002, several resea...