6+ hour, 58+ min ago  (512+ words) Space War. com New Simulations Reveal How the Sun Keeps Its Giant Plasma Structures Alive Prominences can remain stable for weeks or even months, yet they also carry explosive potential. If they do not fade away quietly, they culminate in…...

3+ week, 3+ day ago  (506+ words) Solid oxide fuel cells convert chemical energy directly into electricity at high efficiency and with low emissions. They can operate on a wide range of fuels, including hydrogen, natural gas, biogas, and alcohol based fuels, and they are not constrained…...

3+ week, 3+ day ago  (664+ words) In work reported in the journal Small, the researchers show that wires and fabrics made from carbon nanotube fibers, or CNTFs, can provide substantially more heating power per unit mass than conventional metal-alloy heaters when placed directly in gas streams,…...