Year: 2010

Jaw-dropping “unmixing” demo appears to reverse entropy

I identify as a scientist, but I gotta admit: When I saw this video from Steve Spangler Science, my first impulse was to jump back from the computer, cross myself, and douse the screen with holy water. It reminded me of a line from John Carpenter’s underappreciated 1987 horror movie, Prince of Darkness:

And we assume time is an arrow because it is as a clock…Cause precedes effect – fruit rots, water flows downstream. We’re born, we age, we die. The reverse NEVER happens…

Unless, apparently, you’re dealing with a system operating under conditions of laminar flow. Obviously, there is no real “violation” of the second law of thermodynamics, here, but because almost all of our intuitions about how liquids are going to behave are formed under conditions of turbulent flow, it sure does seem like it.

Programmable Halloween costume

Minneapolitan Michael Krumpus programmed his son’s halloween costume to flash LEDs in random patterns. Like many parents, we make hand-made costumes for our kids instead of buying cheaply-made (and expensive) costumes based on licensed characters. This year, my youngest son wanted to be a robot. My wife did a great job making the costume, but […]

Pavlov’s cell phone

Pavlov’s cell phone

Ian Page writes: For the last 8 years, whenever my cell phone received a call or text it would vibrate in my pocket. ‘Bondage Happens’ is a device I wear on my head that is connected to my cell phone. Whenever I receive a call or text the phone will vibrate and the device will […]