Medical experts say strength training keeps bones and muscles healthy after menopause. These are some simple, concrete ways ...

Abstract: A moving atmospheric-pressure nonthermal-equilibrium argon plasma bullet was investigated by emission spectrum and plasma current. Moving plasma changes spatially and temporally. Therefore, ...

Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

Graviton production in flat three-space Robertson-Walker universes is studied. An arbitrary sequence of stages governed by scale factors exhibiting exponential or power-law behavior is considered. By ...

Abstract: The application of cognitive radio (CR) technology to the Internet of Things (IoT) network can effectively solve the bottleneck problem of spectrum scarcity. As one of the key steps in ...