THE measurement of the electrical resistance of films of copper oxide on copper showing interference colours of the first order has given results varying from 0.002 to 15 ohms per sq. cm.
Researchers at the Pabna University of Science and Technology, in Bangladesh, have developed a new architecture for thin-film solar cells based on copper bismuth oxide (CuBi 2 O 4). CuBi 2 O 4 is ...
For some young people, a popular method for getting a quick high is by misusing laughing gas — and lately, that’s in the form of nitrous oxide from products sold by the company Galaxy Gas.
Inhaling nitrous oxide can cause fainting, heart attacks and a litany of other health-related issues. Still, the dangers have not prevented misuse by young people (and perhaps even celebrities ...