Loads of cosmetics like sunscreen lotions contain titanium dioxide. These nanoparticles are contentious. Experts suspect they may have harmful effects on people and the environment. But it is difficult to prove that the particles ...
Bio & Medicine
Aug 3, 2015
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25
(Phys.org) —Researchers at UCLA's Jonsson Comprehensive Cancer Center have developed an innovative drug-delivery system in which tiny particles called nanodiamonds are used to carry chemotherapy drugs directly into brain ...
Bio & Medicine
Sep 12, 2013
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1
The quantum world blatantly defies intuitions that we've developed while living among relatively large things, like cars, pennies and dust motes. In the quantum world, tiny particles can maintain a special connection over ...
Quantum Physics
Apr 28, 2020
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725
Over two million deaths occur each year as a direct result of human-caused outdoor air pollution, a new study has found.
Environment
Jul 11, 2013
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MIT engineers have devised a way to measure the mass of particles with a resolution better than an attogram—one millionth of a trillionth of a gram. Weighing these tiny particles, including both synthetic nanoparticles ...
Nanophysics
Jan 13, 2014
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0
When was the last time an asteroid hit Earth? Small asteroids and other tiny particles bombard our planet daily, but almost all of them burn up safely in the atmosphere.
Astronomy
Nov 8, 2021
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114
(Phys.org) —Applied physicists at the Harvard School of Engineering and Applied Sciences (SEAS) have demonstrated that they can change the intensity, phase, and polarization of light rays using a hologram-like design decorated ...
Nanophysics
Aug 20, 2013
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0
When tiny particles strike a metal surface at high speed—for example, as coatings being sprayed or as micrometeorites pummeling a space station—the moment of impact happens so fast that the details of process haven't ...
General Physics
Nov 29, 2018
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591
Nanobubbles are extremely small (i.e., nanoscopic) gaseous cavities that some physicists observed in aqueous solutions, typically after specific substances were dissolved in them. While some studies reported the observation ...
Magnets could be a tool for directing stem cells' healing powers to treat conditions such as heart disease or vascular disease.
Bio & Medicine
Jul 16, 2013
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