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.
Previously: 42 is the sum of three cubes
Curiosity Show was an Australian educational television show that ran from 1972 to 1990. The show’s hosts/creators, Morrison and Deane Hutton, now post clips of Curiosity Show on their YouTube channel. In this video we learn what an isochronous curve is and what makes it cool. [via The Kid Should See This]
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 […]
The last few weeks have given us all a lot to think about. As we watched stores close, Costco lines snake through parking lots and items like hand sanitizer and toilet paper disappear everywhere like they were Lady Gaga tickets, there’s one significant takeaway it’s safe to say we all can agree on. We should […]
Whether it was Bach or Chopin, Ray Charles or Jerry Lee Lewis, Stevie Wonder, Elton John, Alicia Keys or Norah Jones, there was someone whose mastery on the piano made you think, wow, I wish I knew how to do that. It’s a singular, almost timeless skill — and if you love music, there’s no […]
With everything happening now, even the most jaded among us are bound to feel some pangs of anxiety now and again. It’s a crazy time. When we crawl into bed each night, it’s common for our brains to go into overdrive and start thinking — and worrying — about what’s going on and what’s to […]