What is fire? - New Scientist
Fire is a chemical reaction that converts a fuel and oxygen into carbon dioxide and water. It is an exothermic reaction, in other words, one that produces heat. It is an exothermic reaction, in ...
Ohio train derailment: What we know about the toxic chemical spill
2023年2月14日 · A train derailed and caught fire in eastern Ohio, releasing hazardous chemicals into the air, soil and water – and raising concerns about health effects for residents
Mysterious element promethium finally reveals its chemical …
2024年5月22日 · Chemistry Mysterious element promethium finally reveals its chemical properties. The highly unstable radioactive element promethium is hard to study in the lab, but chemists have now coaxed it ...
Common chemical in drinking water hasn't been tested for safety
2024年11月21日 · Health Common chemical in drinking water hasn't been tested for safety. Chloramine is used as a disinfectant in drinking water systems from the US to Australia.
Fire man - New Scientist
2004年3月27日 · The fire breached the city boundaries, destroying 500 homes and killing four people. Cheney is Australia's foremost fire scientist and a forester, a vet ... 'Artificial tongue' can detect chemical ...
Chemists discovered the first new chemical bond in more than a …
2024年9月25日 · Previously, they experimented with unusually long and flexible bonds, and now they have taken on an idea first proposed in 1931 by chemist Linus Pauling: a chemical bond formed by just one electron.
Beirut explosion: What caused the blast and what else do we know?
2020年8月5日 · A massive blast on 4 August has caused widespread damage in the port area of the city of Beirut in Lebanon, with 100 people reported dead and 4000 injured.
Technology: Plot to remove gunpowder from fireworks
1993年11月6日 · Guy Fawkes may have used gunpowder to try to blow up Parliament in 1605, but from next year, Britain's biggest manufacturer of fireworks plans to start replacing it with fuels based on resin polymers.
Laser weapon destroys artillery fire - New Scientist
2002年11月6日 · The MTHEL system consists of a target tracking radar, a pointer system used to control the position of the laser and a high-powered deuterium fluoride chemical laser. Moving target
Drought, fires and fossil fuels push CO2 emissions to a record high
2024年11月13日 · That is according to the latest Global Carbon Budget report, a preliminary accounting of CO2 emissions to date with projections to the end of the year, produced by Friedlingstein and his ...