News tagged with resistivity

Teenager reportedly finds solution to 350 year old math and physics problem

(Phys.org) -- In Isaac Newton's Principia Mathematica published in 1687, the man many consider the most brilliant mathematician of all time used a mathematical formula to describe the path taken by an obj ...

Other Sciences / Mathematics

created May 29, 2012 | popularity 4.4 / 5 (32) | comments 64 | with audio podcast weblog

Researchers find possible evidence of Majorana fermions

(Phys.org) -- Researchers working out of Delft University of Technology in the Netherlands have constructed a device that appears to offer some evidence of the existence of Majorana fermions; the elusive particles ...

Physics / General Physics

created Apr 13, 2012 | popularity 4.8 / 5 (25) | comments 4 | with audio podcast report

Handheld plasma flashlight rids skin of notorious pathogens

(PhysOrg.com) -- A group of Chinese and Australian scientists have developed a handheld, battery-powered plasma-producing device that can rid skin of bacteria in an instant.

Physics / Plasma Physics

created Apr 04, 2012 | popularity 4.8 / 5 (23) | comments 16 | with audio podcast

Rice's 'quantum critical' theory gets experimental boost

New evidence this week supports a theory developed five years ago at Rice University to explain the electrical properties of several classes of materials -- including unconventional superconductors -- that ...

Physics / Superconductivity

created Jan 11, 2012 | popularity 4.1 / 5 (14) | comments 2 | with audio podcast

One-third of car fuel consumption is due to friction loss

No less than one third of a car's fuel consumption is spent in overcoming friction, and this friction loss has a direct impact on both fuel consumption and emissions. However, new technology can reduce friction by anything ...

Technology / Energy & Green Tech

created Jan 12, 2012 | popularity 4.3 / 5 (11) | comments 9 | with audio podcast

Nanoparticle-delivered RNA interference drug stops head and neck cancer growth

(Phys.org) -- A nanoparticle drug delivery vehicle for small interfering RNA molecules (siRNA), that is already being tested in human clinical trials, now shows promise for the treatment of head and neck cancer. Dong Shin, ...

Nanotechnology / Bio & Medicine

created Apr 06, 2012 | popularity 5 / 5 (8) | comments 1 | with audio podcast

Researchers find antibiotic-resistant bacteria deep in one of the largest, unspoiled underground caves

McMaster University and University of Akron researchers are leading the way in understanding the origins of antibiotic resistance, a global challenge that is creating a serious threat to the treatment of infectious ...

Biology / Cell & Microbiology

created Apr 11, 2012 | popularity 5 / 5 (8) | comments 2 | with audio podcast

'Nanobubbles' plus chemotherapy equals single-cell cancer targeting

Using light-harvesting nanoparticles to convert laser energy into "plasmonic nanobubbles," researchers at Rice University, the University of Texas MD Anderson Cancer Center and Baylor College of Medicine (BCM) ...

Nanotechnology / Bio & Medicine

created Apr 09, 2012 | popularity 4.9 / 5 (8) | comments 0 | with audio podcast

Honeycombs of magnets could lead to new type of computer processing

Scientists have taken an important step forward in developing a new material using nano-sized magnets that could ultimately lead to new types of electronic devices, with greater capacity than is currently ...

Physics / General Physics

created Mar 30, 2012 | popularity 4.5 / 5 (8) | comments 4 | with audio podcast

Tomato genome fully sequenced

For the first time, the genome of the tomato, Solanum lycopersicum, has been decoded, and it becomes an important step toward improving yield, nutrition, disease resistance, taste and color of the tomato and ...

Biology / Biotechnology

created May 30, 2012 | popularity 4.9 / 5 (7) | comments 8 | with audio podcast

Rugged new strawberry has a hint of pineapple

(PhysOrg.com) -- Strawberry lovers will soon have Herriot -- a sweet treat featuring a flavor reminiscent of historic varieties and a slight pineapple overtone -- to look forward to, thanks to a new variety ...

Biology / Biotechnology

created Jan 13, 2012 | popularity 3.7 / 5 (9) | comments 7 | with audio podcast

Antibiotic resistant bacteria proliferate in agricultural soils

Infectious diseases kill roughly 13 million people worldwide, annually, a toll that continues to rise, aided and abetted by resistance genes. Now a study, published in the March Antimicrobial Agents and Chemotherapy finds ...

Biology / Cell & Microbiology

created Mar 20, 2012 | popularity 4 / 5 (8) | comments 0 | with audio podcast

Chemistry trick renews hope against killer diseases

As infections such as tuberculosis have become immune to an ever widening range of antibiotics doctors have looked on helplessly.

Chemistry / Biochemistry

created Dec 28, 2011 | popularity 5 / 5 (6) | comments 1

Physicists surprised by disappearing and reappearing superconductivity in iron selenium chalcogenides

(PhysOrg.com) -- Superconductivity is a rare physical state in which matter is able to conduct electricity -- maintain a flow of electrons -- without any resistance. This phenomenon can only be found in certain ...

Physics / Superconductivity

created Feb 22, 2012 | popularity 5 / 5 (6) | comments 4 | with audio podcast

Handheld plasma flashlight rids skin of bacteria instantly

A group of Chinese and Australian scientists, including CSIRO, have developed a handheld, battery-powered plasma-producing device that can rid skin of bacteria in an instant. The handheld plasma flashlight could be used in ...

Physics / Plasma Physics

created Apr 26, 2012 | popularity 5 / 5 (6) | comments 14 | with audio podcast