A snake in southwest Indonesia has shattered the Guinness World Record for the longest serpent ever spotted in the wild.

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

Abstract: The closed-loop optically pumped magnetometer (CM) is a noncryogenic sensor with high dynamic range, wide bandwidth, and high sensitivity, and has broad application prospects in the field of ...

Abstract: The atomic magnetometers operated in Earth-scale magnetic field are susceptible to the nonlinear Zeeman (NLZ) effect, resulting in multiple resonance peaks and heading error, which restricts ...