Lady spinning on escalator handrails. Nominally the net force is zero, assuming each rail exerts the same magnitude of force, but there may be some differences depending on what part of her body is in contact, or the escalator speeds. They each exert a torque in the same direction, though, so she spins.
via Kottke
Do grocery stores give us the right mix of nuts?
Does anyone like Brazil nuts? Anyone?
Taking a look at the data from the other direction, we can ask another question. Is there anyone who likes Brazil nuts and doesn’t like any other nut? In other words, how many people might not find any nuts at all that they like if Brazil nuts were removed from the mix?
Commentary on Lego fun snacks
excerpt
You can’t tell me that this isn’t a lawsuit just waiting to happen. I can only assume that their next product is fruit flavored thumbtacks.
via Daring Fireball