Hackers' Pub

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condition condition	Finds content that satisfies both conditions on either side of the space (logical AND).	`"Hackers' Pub" lang:en`
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`(` condition `)`	Combines the operators within the parentheses first.	`(#HackersPub OR "Hackers' Pub" OR "Hackers Pub") lang:en`

XKCD bot @xkcdbot@me.ns.ci

2/19/2025, 4:50:15 PM

Public

#xkcd No. 3053
Date: 2025-2-19
Title: KM3NeT
Alt text: Unfortunately, KM3NeT led to the discovery of the Pauli anglerfish, which emits Cherenkov radiation to prey on neutrino researchers.
https://xkcd.com/3053/

Description:
Single panel xkcd comic. Three stick figures stand by a projector screen showing underwater telescope modules. Text explains Cherenkov radiation.

Transcript:
THE KM3NET DEEP-WATER TELESCOPE
DETECTS THE FLASHES OF CHERENKOV
LIGHT FROM NEUTRINO INTERACTIONS.

HOW DO YOU KNOW YOU
AREN'T JUST SEEING
BIOLUMINESCENT FISH?

CHERENKOV RADIATION IS
ONLY EMITTED WHEN THINGS
EXCEED THE LOCAL SPEED
OF LIGHT, SO IT CAN'T BE
PRODUCED BY UNDER-C LIFE.

[Projector screen displays a diagram of a telescope module underwater]

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