The U.S. Air Force has announced that its new long-range stealth bomber will be called the B-21 Raider, as a tribute to the famed WWII Doolittle Raiders.
Air Force Names Stealth Bomber after WWII Doolittle Raiders
Chromium in Martensitic Stainless Steels
Higher chromium alloys, the range over which full austenitization can occur is further restricted. The variety of martensitic stainless steels would be very limited if only chromium and carbon were available as alloying elements, but fortunately nickel can make an important contribution.
Video: Smart threads could save lives
Engineers are joining forces with designers, scientists and doctors at Drexel University, Philadelphia, to produce new biomedical textiles, which are not only fashionably functional, but could also be life savers.
Fluorescence boosts cool colored pigment performance
Elementary school science teaches us that in the sun, dark colors get hot while white stays cool. Now new research from Lawrence Berkeley National Laboratory (Berkeley Lab), Calif., has found an exception: Certain dark pigments can stay just as cool as white by using fluorescence, the re-emission of absorbed light.
Coffee foam cleans contaminated water
Scientists report an innovative way to reduce coffee waste and help address another environmental problem.