Planet FrictionlessIceball has a straight, narrow tunnel connecting two points on its surface. How long does it take to slide through the tunnel? Simplifying assumptions As with most story problems, we have to make some simplifying assumptions. But I think they’re fairly reasonable. We assume the faller starts out motionless, at one end of the…… Continue reading How long does it take to fall through a ball of ice?
The other day, a Twitter user (David Buchanan, @David3141593) posted a message that gained some attention. It has an attached JPEG file, with an image of William Shakespeare. If you save a copy of the JPEG file, and unzip it as if it were a ZIP file, it unzips into the complete works of Shakespeare.…… Continue reading About that JPEG/ZIP/Shakespeare hybrid file