Crossing the threshold for laser cooling
(Phys.org) —Gallium nitride has emerged as one of the most widely used materials in the optoelectronics industry and the most important semiconducting material after silicon.
Homes become members of the family with smart parts
Appliances are becoming part of the family, weighing in with insights while helping with chores from cooking to doing laundry.
Making things cold: A history of science, technology and culture
Our ancestors first created ice by dissolving 'saltpetre' (potassium nitrate) in water and then pouring the mix into long-necked bottles that were then rotated. Since then, people have sought new ways to ...
Air conditioner 'evolves' in novel study
Played out on a computer over hundreds of generations, a survival-of-the-fittest programming method adapted by National Institute of Standards and Technology (NIST) researchers has spawned, of all things, ...
Toyota joins Daimler in boycotting coolant
Japanese automaker Toyota has decided to join German rival Daimler in boycotting a new air-conditioning coolant deemed more environment-friendly in Europe, Toyota's German unit told AFP on Friday.
Refrigerated trucks to keep their cool thanks to fuel cell technology
Grocery merchants in Texas, California and New York will soon have ice cream, frozen foods and fresh produce delivered by tractor trailers whose refrigeration units are powered by fuel cells, a clean technology that makes ...
Japanese vehicle delivers new hardware for NASA's Robotic Refueling Mission
It may be called the Robotic Refueling Mission (RRM), but NASA's RRM was built to demonstrate much more than the clever ways space robots can fill up satellites.
EU largely backs France in German Mercedes row
EU Industry Commissioner Antonio Tajani gave France some succour and Germany's Daimler cause for concern Tuesday in a row over new cars that Brussels fears were produced in breach of EU rules.
EU bids to fix French-German Daimler auto row
EU experts meet on Wednesday to tackle a French-German row over a delay by auto giant Daimler in using a new air conditioning coolant deemed more environment-friendly, officials said Monday.
Physicists build quantum refrigerator based on four quantum dots
Keith Tomlins: Controlling waste in tuber crops for a better economy
Trying to optimise production and use of staple food such as cassava and yams in African and Asian countries could also involve cross-fertilisation of best practices across continents.
Call to cut 'super greenhouse gases'
Phasing out "super greenhouse gases," which mass emitters China and the United States have agreed to restrict, could curb global warming by as much as half a degree Celsius by 2050, a report said Wednesday.
Simple theory may explain dark matter
Most of the matter in the universe may be made out of particles that possess an unusual, donut-shaped electromagnetic field called an anapole.
US, China agree to end 'super greenhouse gases'
China agreed Saturday with the United States to scale back production of "super greenhouse gases" used in refrigerators and air conditioners in a joint bid to fight climate change.