He and other researchers previously have made high-spring-index coiled muscles by wrapping such fibers, or yarns, around a mandrel, or a spindle, to form the coil. "The problem has been that there ...

Molybdenum is a metal in group VI B of the periodic table with atomic number 42, an atomic weight of 95.94, and a density of 10.2 Mg/m 3. It has a melting temperature of 2610 C. The electronic ...

Interruptions in the supply of molybdenum (99Mo), which is used to produce 99mTc, prompted governments and international agencies to step up efforts to identify both short- and longterm solutions to ...