Since 1954, scientists have been using computers to search for three numbers that could be cubed and summed to equal 42. Every other possible number below 100 already had a known solution, but the solution for 42 wasn't found until recently. Here's Numberphile on the significance of this discovery.
My daughter is taking a precalc summer school course. Last night she was doing her homework, which was about verifying trigonometric identities. Out of the 25 homework problems, there was one that she got stuck on. I decided to give it a try and spent two hours on it without solving it. Here it is. […]
A swimming mouse is in a circular pond. A non-swimming cat on the perimeter of the pond can run four times as fast as the mouse can swim and will always run in the most optimal way around the pond to catch the mouse. The mouse can run faster than the cat. The question: can […]
Numberphile takes a look at three interesting infinite series. The first is 1 + 1/2 + 1/4 + 1/8 … which equals 2. The second is 1 + 1/2 + 1/3 + 1/4 + 1/5 … which equals infinity. The third is 1 + (1/2)2 + (1/3)2 + (1/4)2… which π2/6
Whether you own or rent your place, insurance on that home is a necessary hassle – but a new tech-driven company called Lemonade is starting to show that while it might indeed be a necessity, it doesn’t have to be a hassle. Here’s the way insurance typically works: You pay premiums and hope an accident […]
People tend to keep luggage around for a long time. And why not? New suitcases are pricey, and no matter how banged up or patched up that old bag gets, it still holds your clothes. Right? Maybe not. Here are 15 travel bags and accessories that make a strong case for upgrading your gear. They’ve […]
Do you own a Mac? Unless you’re using it for a paperweight, you almost can’t afford not to get the Magnificent Mac Bundle. It’s a roundup of some truly essential security and file management apps, bundled up with great photo and video enhancers. The best part is that all nine apps are potentially available for […]