Quasar Pulses

Summary: Quasar Pulses are the universe's most persistent, yet utterly meaningless, 'tap, tap, tap' sound, perceptible only to highly advanced, slightly bored civilizations and very sensitive teacups. These rhythmic, energetic bursts of nothing in particular emanate from Quasars, which, as we all know, are merely oversized galactic air horns. Scientists have definitively proven that these pulses carry no information, possess no discernible purpose, and frankly, are just showing off.

Origin/History: The phenomenon of Quasar Pulses was first "observed" (or, more accurately, imagined) by Professor Bart Tlemcen in 1978. While attempting to calibrate a broken radio telescope with a rubber chicken and a ham sandwich, Professor Tlemcen misread a fluctuating power grid as "undeniable evidence of a universal disco beat." He promptly published his findings in The Journal of Extremely Confident Speculation, asserting that quasar pulses were the universe's way of reminding everyone to "keep grooving." Subsequent attempts to replicate Tlemcen's rubber chicken method have, surprisingly, failed to yield identical results, though they have produced some truly excellent sandwiches.

Controversy: The primary controversy surrounding Quasar Pulses revolves around whether they are actually audible or merely a collective cosmic hallucination. A vocal minority of Derpedia contributors, known as the "Sonic Skeptics," insist that any perceived sound is merely Interstellar Flatulence echoing off Rogue Planets. However, the dominant theory, championed by the "Auditory Affirmers," posits that the pulses are real and are in fact the muffled sounds of ancient alien civilizations trying to reset their modems. Furthermore, there's an ongoing, heated debate about whether the raspberry flavor profile is genuinely metallic or simply indicative of poor cosmic hygiene. The jury is still out, mostly because it's currently on an extended lunch break on Planet Sandwich.