Search results for nist

Analytical Chemistry Oct 12, 2017

NIST urges caution in use of courtroom evidence presentation method

Two experts at the National Institute of Standards and Technology (NIST) are calling into question a method of presenting evidence in courtrooms, arguing that it risks allowing personal preference to creep into expert testimony ...

Quantum Physics Oct 5, 2017

3-D quantum gas atomic clock offers new dimensions in measurement

JILA physicists have created an entirely new design for an atomic clock, in which strontium atoms are packed into a tiny three-dimensional (3-D) cube at 1,000 times the density of previous one-dimensional (1-D) clocks. In ...

Polymers Oct 5, 2017

NIST finds a way to measure fuel cell 'printing' at a fast clip

If you're wondering when a hydrogen-powered car will become a viable option for you, take heart. A team including scientists at the National Institute of Standards and Technology (NIST) may have overcome a significant hurdle ...

Astronomy Oct 3, 2017

Researchers conduct more accurate chemical analysis of the star 68 Tauri

(Phys.org)—French astronomers have recently presented a new abundance analysis of the star 68 Tauri (also known as HD 27962), which determines its chemical composition more precisely than previous studies. The results of ...

Engineering Sep 29, 2017

Lighting a path to smarter homes, roads and bridges

If you're worried about carbon monoxide poisoning, you might purchase a detector for your home. But what if your house itself could sense carbon monoxide and other potentially harmful gases – nitrogen oxides, natural gas, ...

Analytical Chemistry Sep 22, 2017

NIST's quick test may speed antibiotic treatment and combat drug resistance

Researchers at the National Institute of Standards and Technology (NIST) have demonstrated a potential new tactic for rapidly determining whether an antibiotic combats a given infection, thus hastening effective medical treatment ...

Quantum Physics Sep 13, 2017

Driving the universal quantum bus

NIST scientists have achieved a world record in detecting the intensity of an ultra-faint source of light, equaling the capabilities of the deep-space instruments on the Hubble Space Telescope but operating 100 times faster ...

Bio & Medicine Sep 4, 2017

Protein 'rebar' could help make error-free nanostructures

DNA is the stuff of life, but it is also the stuff of nanotechnology. Because molecules of DNA with complementary chemical structures recognize and bind to one another, strands of DNA can fit together like Lego blocks to ...

Analytical Chemistry Jul 6, 2017

Scientists lay the groundwork for a reliable marijuana breathalyzer

Marijuana is now legal for recreational or medicinal use in at least 28 states and the District of Columbia. But driving under the influence of marijuana is illegal no matter which state you're in. To enforce the law, authorities ...

General Physics Jun 30, 2017

New measurement will help redefine international unit of mass

Using a state-of-the-art device for measuring mass, researchers at the National Institute of Standards and Technology (NIST) have made their most precise determination yet of Planck's constant, an important value in science ...

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