mostly on computers and mathematics
Sunday, June 17, 2018
[lkunovph] Throwing to maximize energy
How much kinetic energy can a human impart to a thrown ball, with no restrictions on the mass of the ball? What mass maximizes? Depends a...
[ycgdwtri] Testing "Power corrupts"
Investigate as psychology research the adage "Power corrupts. Absolute power corrupts absolutely." How does it corrupt? When d...
[gxuvwalk] A mobile population does not invest in local infrastructure
No incentive to politically support measures for long-term improvement of local infrastructure: they can just move elsewhere. The easier...
[oxgkyqgm] Mining human
Now that there are so many humans, one could imagine an entity (say, science-fiction aliens) mining humans on earth as a raw material. We ...
Saturday, June 16, 2018
[fxalwihm] Jury nullification, again
Back in the day, the fear (probably with actual instances) was that jury nullification would be used by jurors to refuse to convict a white ...
[xdxghbpq] ilaoen shrudtu
Consider swapping the letter e, the most common letter of the alphabet, with the letter i, a narrow character in text especially sans serif,...
Friday, June 15, 2018
[bvopfken] Providing actual entertainment
To what extent is entertainment luring people with what they think they want, but actually providing something different, what they actually...
Thursday, June 14, 2018
[lbyjcqtr] Literal Iron Chef
Competing metallurgists are provided with ore and asked to produce something which will be compared against the same the produced by competi...
[shkzjlob] Smallest factor music
Beats are numbered with consecutive integers. On each beat, play a pitch corresponding to the least prime factor of the beat number. Prime...
[muoxjpqg] More Rock Paper Scissors
Create a game like rochambo but for which a more complicated mixed strategy is optimal. Avoid the incomplete information (the element of ch...
[sfnqcsnz] Fail and Royal Fail
Nickname the 7 high poker hand a "Fail", and 7 5 4 3 2, the worst possible hand, the "Royal Fail".
Wednesday, June 13, 2018
[jjklxjsr] When is group theory practically useful?
Primality proving: Examine the group structure of the multiplicative group (Z/nZ)* for the number n being tested (Lucas primality test, requ...
[uytzvqqf] Wide and top-heavy Cunningham
We explore factoring numbers of the form b^n-1 and b^n+1, beyond of the bases (namely beyond b= 2, 3, 5, 6, 7, 10, 11, or 12) investigated b...
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