Superluminous supernovas are the brightest stellar explosions in the universe. Astronomers may have found a mechanism that can trigger these events.

When a carbon monoxide alarm breaks the quiet with a random chirp, it is tempting to brush it off as a glitch. In reality, those short beeps are coded messages about everything from a dying battery to ...

A ramp tracker creates the chirp signal, while paired NMOS and PMOS varactors correct frequency distortions. This hardware linearization method allows fast, accurate chirps with simpler circuits and ...