Question 1

The video game industry's first major international hit was 'Space Invaders' in 1978 — but it caused an unexpected real-world problem in Japan when it launched. What happened?

Accepted Answer

It caused a nationwide shortage of 100-yen coins. Space Invaders was so popular in Japanese arcades that it reportedly caused a massive shortage of 100-yen coins, prompting the minting of millions more—cementing the shooter as one of gaming's most dramatic early cultural impacts, even if the scale of the crisis was partly a brilliant marketing myth.

Question 2

The 'X' in 'X-ray' wasn't a brand name or an acronym. When Wilhelm Röntgen discovered the rays in 1895, why did he call them 'X'?

Accepted Answer

Because 'X' was the mathematical symbol for an unknown variable. Röntgen had no idea what kind of radiation he'd found, so he used 'X' — the standard mathematical symbol for an unknown — as a placeholder. The name stuck even after the science was understood.

Question 3

The superhero Black Panther was introduced in 1966, making him Marvel's first Black superhero. But which writer and artist team created him — with one of them using the character partly to reflect the Civil Rights Movement?

Accepted Answer

Stan Lee and Jack Kirby. Stan Lee and Jack Kirby debuted Black Panther in Fantastic Four #52, with Kirby later saying the character was a deliberate response to the lack of Black heroes in comics during the height of the Civil Rights era.

Question 4

The famous 1932 photograph 'Lunch Atop a Skyscraper,' showing 11 construction workers casually eating on a beam 840 feet above New York City, was taken during the construction of which building?

Accepted Answer

30 Rockefeller Plaza. The photo was taken during construction of 30 Rockefeller Plaza (30 Rock) in 1932. The workers' identities were unknown for decades; the image became an enduring symbol of Depression-era American labor, and was likely staged as a publicity stunt for the construction company.

Question 5

Which Eastern European city became the unlikely birthplace of modern psychoanalysis — home to both Freud and a circle of Jewish intellectuals who shaped 20th-century thought before being scattered by World War II?

Accepted Answer

Vienna. Vienna's dense, cosmopolitan Jewish intellectual community in the late 19th and early 20th centuries produced not just Freud but also Arthur Schnitzler, Stefan Zweig, and Ludwig Wittgenstein. Hitler's particular hatred of Vienna, where he lived as a failed artist, was shaped in part by this cultural vibrancy he resented.

July 24, 2026 Trivia

1. The video game industry's first major international hit was 'Space Invaders' in 1978 — but it caused an unexpected real-world problem in Japan when it launched. What happened?

2. The 'X' in 'X-ray' wasn't a brand name or an acronym. When Wilhelm Röntgen discovered the rays in 1895, why did he call them 'X'?

3. The superhero Black Panther was introduced in 1966, making him Marvel's first Black superhero. But which writer and artist team created him — with one of them using the character partly to reflect the Civil Rights Movement?

4. The famous 1932 photograph 'Lunch Atop a Skyscraper,' showing 11 construction workers casually eating on a beam 840 feet above New York City, was taken during the construction of which building?

5. Which Eastern European city became the unlikely birthplace of modern psychoanalysis — home to both Freud and a circle of Jewish intellectuals who shaped 20th-century thought before being scattered by World War II?