In Feynman slash notation, a slashed vector contracts with what matrices?
Answer
gamma matrices
16373 Hard Trivia Questions
16373 public questions at this depth. How many can you answer?
Who bought Feynman's diagram-covered van in 2012?
Answer
Seamus Blackley
What lock combination did Feynman find by using digits of e?
Answer
27-18-28
What model of Dodge van did Feynman buy in 1975?
Answer
Tradesman Maxivan
Which synthetic element is named after the city of Darmstadt?
Answer
Darmstadtium
Which element is named after the Finnish chemist Johan Gadolin?
Answer
Gadolinium
Which element was predicted by Mendeleev as eka-aluminium?
Answer
Gallium
Which element is named from the Latin name for Copenhagen?
Answer
Hafnium
Sagan advised Kubrick and Clarke on depicting extraterrestrial intelligence for which 1968 film?
Answer
2001: A Space Odyssey
Which Apple computer model was internally code-named Carl Sagan?
Answer
Power Macintosh 7100
At Cornell, Sagan was associate director of which center from 1972 to 1981?
Answer
Center for Radiophysics and Space Research
How many bits of data were in the Arecibo message?
Answer
1,679
What was the first episode of Cosmos: A Personal Voyage called?
Answer
The Shores of the Cosmic Ocean
Where was the Sagan Planet Walk's Alpha Centauri obelisk installed in 2012?
Answer
Imiloa Astronomy Center
The Sagan Planet Walk scales the Solar System down to what fraction of its actual size?
Answer
one five-billionth
Which organization made Franklin a National Honorary Member in 1982?
Answer
Iota Sigma Pi
What symmetry did Klug and Finch report for polio virus after Franklin's death?
Answer
Icosahedral symmetry
Which virologist's ideas did Franklin's equal-length TMV observation contradict?
Answer
Norman Pirie
On what date did Franklin join Jacques Mering's Paris laboratory?
Answer
14 February 1947
Which 1953 book republished Ada Lovelace's notes as an appendix?
Answer
Faster than Thought
Who sculpted the 2022 Westminster statue of Ada Lovelace?
Answer
Etienne and Mary Millner
In 1844, Lovelace reviewed a paper by which baron?
Answer
Karl von Reichenbach
How many numbers could the Analytical Engine's store hold?
Answer
1,000 numbers
The Difference Engine's name comes from what mathematical method?
Answer
Finite differences
Which electrical engineer did Lovelace visit in 1844 to learn experiments?
Answer
Andrew Crosse
What name did Turing give to Lovelace's AI-related criticism?
Answer
Lady Lovelace's Objection
What is Cardano's smallest sub-unit of an Ada called?
Answer
Lovelace
Which artist painted Ada Lovelace seated at a piano in 1852?
Answer
Henry Phillips
Which artist painted the 1836 portrait of Ada Lovelace?
Answer
Margaret Sarah Carpenter
Which lunar crater is the resting place of Eugene Shoemaker's ashes?
Answer
Shoemaker
What was the first spacecraft to detect lunar water molecules from orbit?
Answer
Chandrayaan-1
Which 1478 papal bull let the Catholic Monarchs appoint inquisitors for Castile?
Answer
Exigit sincerae devotionis affectus
Which former Inquisition secretary published a critical history from French exile in 1817?
Answer
Juan Antonio Llorente
Which Dutch-born future pope was Grand Inquisitor of Aragon in 1516?
Answer
Adrian of Utrecht