WASHINGTON — President Trump told The Post the CIA’s secret new “Ghost Murmur” tool was “very important” to rescuing a downed airman inside Iran this weekend — as leading physicists and engineers ...

Abstract: Due to the extreme thermal-mechanical stress at tool-chip interface, built-in sensors in the cutting tool are prone to failure during machining process despite their high sensitivity.

Abstract: The sensor determines the basic performance of the nuclear magnetic resonance (NMR) logging-while-drilling (LWD) system. However, the electromagnetic calculation and structure optimization ...

The best heart rate monitors are accurate, comfortable, and offer features that enhance the experience beyond beats per minute. The good news is that you can also receive all these benefits through a ...