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Laser Guided Codes Advance Single Pixel Terahertz Imaging
June 25, 2013 — By using a laser beam to send a detailed set of instructions that create a coded aperture, researchers have enabled a new method that may help tame terahertz waves in order to create new imaging ... > full story -
A Microphone That Listens With Light: Microphones Have Hyper-Acute Hearing and a Sense of Direction
June 18, 2013 — A new sensor will help to make microphones hypersensitive: "Think of traditional videoconference equipment. Several people are sitting around the table, but the microphone has been placed where its ... > full story -
Detecting Homemade Explosives, Not Toothpaste
June 14, 2013 — Researchers want airports, border checkpoints and others to detect homemade explosives made with hydrogen peroxide without nabbing people whose toothpaste happens to contain ... > full story -
Odors from Human Skin Cells Can Be Used to Identify Melanoma
June 13, 2013 — Researchers identified odorants from human skin cells that can be used to identify melanoma, the deadliest form of skin cancer. In addition a nanotechnology-based sensor could reliably differentiate ... > full story -
Luminous Bacterial Proteins Detect Chemicals in Water
June 12, 2013 — Scientists have developed a simple color sensor principle which facilitates the detection of residual medications, trace metals from industrial process waters, and many other substances. This is the ... > full story -
Moon Radiation Findings May Reduce Health Risks to Astronauts
June 11, 2013 — Space scientists report that data gathered by NASA's Lunar Reconnaissance Orbiter show lighter materials like plastics provide effective shielding against the radiation hazards faced by astronauts ... > full story -
Quantum Teleportation Between Atomic Systems Over Long Distances
June 6, 2013 — Researchers have been able to teleport information from light to light at a quantum level for several years. In 2006, researchers succeeded in teleporting between light and gas atoms. Now the ... > full story -
Specifically Sized Gold Nanoparticle Spheres Increase the Sensitivity of a Light-Based Chemical Detector
June 6, 2013 — A sensor that relies on reflected light to analyze biomedical and chemical samples now has greater sensitivity, thanks to a carpet of gold nanoparticles. Scientists have determined the ideal size of ... > full story -
Innate Immunity: When DNA Is out of Place
June 4, 2013 — In animal cells, DNA molecules are normally restricted to the cell nucleus and the mitochondria. When DNA appears outside these organelles – in the so-called cytosol - it most probably ... > full story -
Cosmic Rays: Galactic Knee and Extragalactic Ankle
June 3, 2013 — A new experiment has yielded the important result that a characteristic bend in the energy spectrum of high-energy cosmic rays, also called "knee", is located at different energies for light and ... > full story
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