The Knight's tour is a traditional chess problem where a lone knight is placed on a chess board and must visit each square only once. You can play this perfectly simple free implementation created by u/psrwo on Reddit. The source code is at github. The knight is randomly placed at the outset.
I can't visit more than fifty-something squares, because I'm terrible at stuff like this.
Portland Laser Co. offers a puzzle based on Joy Division’s famous cover to Unknown Pleasures, a plot of signals emitted by pulsar CP 1919. Yours for $50. One of the most iconic album covers of all time, made into a puzzle.
A cable of 80 meters is hanging from the top of two poles that are both 50 meters off the ground. What is the distance between the two poles (to one decimal point) if the center cable is (a) 20 meters off the ground and (b) 10 meters off the ground? Presh Talwalker of Mind […]
View this post on Instagram A post shared by Popular Mechanics Magazine (@popularmechanics) on Jan 29, 2020 at 12:14pm PST Sure, you can count them. I did, and, er, I missed a few. Or you can take one of the approaches suggested by the mathematics professors that Andrew Daniels interviewed in Popular Mechanics: “I would […]
Whether you love cooking at home or you swore this was going to be the year you curbed your DoorDash addiction, you know you can’t get the job done well without the proper tools on hand. For all your recipe and meal prep needs, this 3-piece Sukasu Osami Chef’s Knife set will do you right […]
It may not rank up there with climate change or personal debt, but confess…isn’t it the worst when you’re trying to put a food container in the fridge, but can’t find the right lid to fit? Hey, not everything has to be a global crisis to be irritating to the core. But still…it’s even more […]
Assembling a truly autonomous smart home is getting closer and closer to reality every day. But for every new smart bulb, thermostat, home security system and appliance we set loose within our walls, there are still probably a half dozen “dumb” items we’d still love to replace. But whether they’re too costly or too big […]