The phase and the group velocity of light propagating in conventional optical media cannot exceed the speed of light in ...

Spin Hall nano-oscillators (SHNOs) are nanoscale spintronic devices that convert direct current into high-frequency microwave ...

What is the moon phase today? Today, Feb. 3, 2025, the moon is 5 days old, in the waxing crescent phase of its lunar cycle. It is 32% illuminated. Moon phases reveal the passage of time in the ...

After hours: January 31 at 6:21:22 PM EST Loading Chart for WVE ...

Short Wave New discoveries, everyday mysteries, and the science behind the headlines — in just under 15 minutes. It's science for everyone, using a lot of creativity and a little humor.

This curve is known as a sine wave since the voltage at any point is proportional to the sine of the angle of rotation. The magnet is rotating 60 times a second, so the sine wave repeats at the same ...

It is hard to determine the direction of seismic wave propagation under the condition of full space of mines, leading to difficulty in accurate fault detection. This paper compares and analyzes the ...