The JCC is closed today for Rosh Hashanah-- and best wishes for a happy new year to those who celebrate it-- so I'm spending the morning with The Pip before Kate comes home to take the afternoon shift while I teach my class. SteelyKid is in school today as usual, so don't tell her, but the Little…
Zoinks! There's a new Skeptics' Circle up at Mike's Weekly Skeptic Rant, and given the Scooby-Doo theme, there might just be a Scooby-snack in it for you as well as the excellent round-up of skeptical posts.
(Fred is still a tool, though.)
A few years back, I did a couple of posts on the physics of a sad balloon (that is, a helium balloon that can no longer lift itself up to the ceiling), the first on simple buoyancy, the second on how long it takes for the helium to leak out. These were based on only a couple of data points, though…
It takes three legs to make a tri-pod
Or to make a table stand.
It takes three wheels to make a ve-hicle
Called a tricycle.
Every triangle has three corners,
Every triangle has three sides,
No more, no less.
You don't have to guess.
When it's three you can see
It's a magic number.