@SFOMuseum Twitter Posts Tagged Math This is SFO Museum's archive of the @SFOMuseum Twitter account. There are 12 posts . See all the tags or all the Twitter posts that have been archived so far.
See “Mathematics: Vintage and Modern” on display, post-security, in Terminal 2 and online at: https://t.co/loGSK6ryKu
#MathAtSFO #Mathematics #Math #specificmaththing #mathematicalmodels
This tweet was posted on April 20, 2022.
See “Mathematics: Vintage and Modern” on display, post-security, in Terminal 2 and online at: https://t.co/loGSK6ryKu
#MathAtSFO #Mathematics #Math #cryptology #cipher
This tweet was posted on March 28, 2022.
Gears within the M-209 have prime-number ratios to prevent repetitive positions—with over one million positions before the key repeats. The M-209, however, is not fully secure, partly because its prime numbers are short. #MathAtSFO #Mathematics #Math #cryptology #cipher
This tweet was posted on March 28, 2022.
During World War II, all sides used mechanical ciphers. The U.S. military’s M-209 portable crypto machine required users to encrypt text one letter at a time. By turning a crank, the scrambled message printed out on paper tape. #MathAtSFO #Math #cryptology #cipher
This tweet was posted on March 28, 2022.
An outsider cannot unscramble the code without knowing the secret letter. But if many messages are sent, an enemy can statistically detect the pattern of the device and the secret key.
#MathAtSFO #Mathematics #Math #cryptologists #ciphers
This tweet was posted on March 28, 2022.
Modern cryptosystems rely on huge prime numbers for secure cyphers. Historically, secret messages could be sent by replacing one letter with another. #MathAtSFO #Mathematics #Math #cryptologists #ciphers
This tweet was posted on March 28, 2022.
Check out our exhibition “Mathematics: Vintage and Modern” for the math behind Rubik’s cubes, Klein bottles, and knots, among much, much more. It’s on view post-security in Terminal 2 and online at https://t.co/loGSK6ryKu #PiDay #MathAtSFO #math
This tweet was posted on March 14, 2022.
Happy Pi Day! The mathematical sign of pi represents the infinite, non-repeating number that is the ratio of a circumference of a circle to its diameter, commonly shortened to 3.14159. #PiDay #math #avgeek
This tweet was posted on March 14, 2022.
See “Mathematics: Vintage and Modern” on display, post-security, in Terminal 2 and online at: https://t.co/loGSK6ryKu #MathAtSFO #Math #Mathematics
This tweet was posted on February 16, 2022.
See “Mathematics: Vintage and Modern” on display post-security in Terminal 2 and online at: https://t.co/loGSK6ryKu
#math #mathematics #MathAtSFO
This tweet was posted on November 30, 2021.
See “Mathematics: Modern and Vintage” is on display post-security in Terminal 2 and online at: https://t.co/loGSK6ryKu #MathAtSFO #Mathematics #Math
This tweet was posted on October 25, 2021.