Latest Nonmetals Stories
NEW YORK, Nov.
The scalding-hot sea that supposedly covered the early Earth may in fact never have existed, according to a new study by Stanford University researchers who analyzed isotope ratios in 3.4 billion-year-old ocean floor rocks.
HOUSTON, Oct. 5 /PRNewswire/ -- PAC, a leading global provider of advanced analytical instruments for laboratories and online process applications, announces the introduction of the ANTEK MultiTek(TM) testing system for the fast, accurate detection of sulfur, nitrogen, and halides.
Physicists get a grip on slippery molecules, and learn how the shape of nanoscopic magnetic islands affect data storage.
Hydrogen, the most common element in the universe, is normally an insulating gas, but at high pressures it may turn into a superconductor.
Like astronomers counting stars in the familiar universe of outer space, chemists in Switzerland are reporting the latest results of a survey of chemical space â€” the so-called chemical universe where tomorrow's miracle drugs may reside.
A research team headed by Dr. Jonathan R. Nitschke at the University of Cambridge (UK) and Academy Professor Kari Rissanen at the University of JyvÃ¤skylÃ¤ (Finland) has made a breakthrough in rendering white phosphorus table to air, as reported in the latest issue of Science.
Acid rain is any form of precipitation that is unusually acidic, meaning that is possesses high levels of hydrogen ions. It can have harmful effects on aquatic animals, plants, and infrastructure. Acid rain is caused by emissions of sulfur dioxide and nitrogen oxide, which react with the water molecules within the atmosphere to produce acids. Nitrogen oxides can be produced naturally by lightening strikes. Sulfur dioxide can be produced naturally by volcanic eruptions. The chemicals that are...
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.