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Tapetum Lucidum

xkcd.com

30 April 2023 at 19:00

Using a reflective wall in a game to give one shot two chances to hit is called a double-tapetum lucidum.

Overlapping Circles

xkcd.com

27 April 2023 at 19:00

"The Venn diagram of the sun and the moon is a circle." --someone being snarky at totality

Definition of e

xkcd.com

25 April 2023 at 19:00

Yeah, my math teacher back in high school set up the system to try to teach us something or other, but the 100% rate was unbelievably good, so I engineered a hostile takeover of his bank and now use it to make extra cash on the side.

Recipe Relativity

xkcd.com

23 April 2023 at 19:00

It says to cut the onions into 1/4" slices, but I'd better correct for length contraction.

Helium Reserve

xkcd.com

20 April 2023 at 19:00

The government has been trying to sell off the Federal Helium Reserve for a few years now, but the sale has been on hold while they try to figure out how to explain this situation to buyers.

Escape Speed

xkcd.com

18 April 2023 at 19:00

Gotta go fast

Cosmological Nostalgia Content

xkcd.com

16 April 2023 at 19:00

Later renouncing clickbait, Einstein called his inclusion of cosmological content in general relativity the biggest blunder of his career.

Linguistics Gossip

xkcd.com

13 April 2023 at 19:00

The E's wedding invitation definitely used the word LOVE more times than was strictly necessary.

Diffraction Spikes

xkcd.com

11 April 2023 at 19:00

Even if a planet is lucky enough to have a stable orbit that weaves between the spikes, the seasons get weird whenever it passes close to them.

1-to-1 Scale

xkcd.com

9 April 2023 at 19:00

There's a version that shows the planets with no cropping, but it's hard to find a display that supports it.

Paleontology Museum

xkcd.com

6 April 2023 at 19:00

Nowadays the only ones left that do anything are turtles.

Easily Confused Acronyms

xkcd.com

4 April 2023 at 19:00

'Lever' was originally an acronym for Load Emplification by the Vimulated Emission of Radiation.

My Favorite Things

xkcd.com

2 April 2023 at 19:00

When an Ur guy / sells Nanni things / but the copper's bad, / He simply records his complaint for all time / "I got a bad deal / I'm maaaaad"

Towed Message

xkcd.com

30 March 2023 at 19:00

"Hi, what you do is fly over a designated zone and detach the--" "WE'RE SORRY, THE MOBILE CUSTOMER YOU ARE TRYING TO REACH IS OUT OF SERVICE"

Qualifications

xkcd.com

28 March 2023 at 19:00

'So how DID you go from working at the employment records office to becoming president of MIT and CEO of IBM?' 'I guess I just have an eye for opportunities.'

Effect Size

xkcd.com

26 March 2023 at 19:00

Subgroup analysis is ongoing.

Relative Terms

xkcd.com

23 March 2023 at 19:00

Small sewing machines are sewing machines that are smaller than a sewing machine. A sewing machine is larger than a small sewing machine, but quieter than a loud sewing machine.

Air Handler

xkcd.com

21 March 2023 at 19:00

It maintains odor levels in a normal familiar range, so if you open the windows and the air gets too fresh, it filters it through some dirty laundry samples to compensate.

Salt Dome

xkcd.com

19 March 2023 at 19:00

The US uses hollowed-out salt domes to store the Strategic Petroleum Reserve, and non-hollowed-out ones to store the Strategic Salt Reserve.

March Madness

xkcd.com

16 March 2023 at 19:00

My bracket has 76 trombones led by John Philip Sousa facing off against thousands of emperor penguins led by Morgan Freeman.