Picture this. December 21, 2019, a regular night shift at the telescope array. On December 21, 2019, CHIME picked up a signal that immediately drew attention: a signal that was not only very long, ...

Quasi-periodic oscillations (QPOs) are a rare phenomenon in active galactic nuclei. They have been observed to occur at periods ranging from minutes to hours, days, weeks, and even years across the ...

The lithium-ion battery is a new energy storage device widely employed in various fields such as mobile power, electric vehicles, unmanned aerial vehicles, and spacecrafts due to its high energy, high ...

Oscillators, also called astable multivibrators, are electronic devices that generate a periodic signal. They are employed in a large number of applications such as clocks, oscillophones, musical ...

Even in the best designs, noise and interference sneak in to reduce the signal-to-noise ratio (SNR), obscure desired signals, and impair measurement accuracy and repeatability. Digitizing instruments ...

Astronomers detected a persistent radio signal from a far-off galaxy that appears to flash with surprising regularity named FRB 20191221A Astronomers at MIT and elsewhere have detected a strange and ...