A Gem of a Time
How many gems will you spend on the way to the top?
Posted on April 23, 2022
Rotating Light
How much light can you spin with a series of filters?
Posted on February 6, 2022
Calendrical Oil Change
How fresh is the oil in your jalopy if you only change a quart per month?
Posted on January 29, 2022
Hat Hostage Strategies II
Can the ghost of Darwin get you out of this bind?
Posted on November 22, 2021
Stick it to the Genie
How much can you bilk the genie for?
Posted on November 14, 2021
Robot Races
How can you break from the crystalline grip of Nash equilibrists?
Posted on October 31, 2021
Squid Game
How many will die crossing this entropic bridge?
Posted on October 30, 2021
Genetic Triangles
Will a random baby triangle cover the center of its equilateral parent?
Posted on October 24, 2021
Free Pete Rose
Guess what happens in two world series games to win it all.
Posted on October 17, 2021
Doppelganger Standoff
You're being stalked by a replica who's twice as fast and a genius at hiding behind light poles. Where could they be?
Posted on October 11, 2021