Surprisingly hand-crafted. Outside: a buffed zinc outer unit. Inside: a motor spins a blower wheel at a rate of 20,000 revolutions per minute. See video below.
I’ve set up a Tumblr for our 2012 trip from Nashville to San Francisco. We’re taking the long route. We will be visiting friends and family. I will be swimming in 11 states and posting pictures, video, observations, background research, interviews, and … Continue reading
For decades, the computer industry has been driven by Moore’s law, which started as an observation by Intel’s Gordon Moore that computer chips doubled in capability (or shrink in size by half) every 18 months or so. But at this … Continue reading
Today’s Nature Photonics story of a laser made of a kidney cell got me thinking of all the weird ways lasers can be made. Such as: they can be made out of a gin and tonic drink, on a stretchy … Continue reading
This hydrogen generator is used to make small amounts of hydrogen for chemical reactions in the analytical chemistry lab at St. Jude Children’s Research Hospital, where scientists are searching for compounds that disrupt the growth of childhood cancers. There was … Continue reading