It’s in the DNA

SteelyKid was playing with something on the floor behind my chair, so I started reading my newsfeeds. Kate was on the other side of the office, engrossed in her own computer-related program activities. After a moment or two, SteelyKid got up, and ran into the living room. Kate and I both finished what we were… Continue reading It’s in the DNA

Links for 2010-04-18

EXCLUSIVE: The Day Einstein Died – Photo Gallery – LIFE “Albert Einstein, the genius physicist whose theories changed our ideas of how the universe works, died 55 years ago, on April 18, 1955, of heart failure. He was 76. His funeral and cremation were intensely private affairs, and only one photographer managed to capture the… Continue reading Links for 2010-04-18

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Hogwarts, Watch Out

Some bonus cute for your weekend: Here’s SteelyKid apparently deciding to be a wizard. She can wave a stick and babble in what might as well be fake Latin with the best of them– don’t try to tell her she can’t.

Links for 2010-04-17

The Secret of L.A.’s 10-Year-Old Fake Freeway Sign – Traffic – Jalopnik “An artist named Richard Ankrom had the same experience, and so he did what any fed-up Los Angeles driver would do: He created a simple directional tool to help drivers prepare for the 5’s poorly marked hairpin exit. He designed and sewed a… Continue reading Links for 2010-04-17

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Amazing Laser Application 8: Holography!

What’s the application? Holograms are images of objects that appear three-dimensional– if you move your head as you look at a hologram, you will see the usual parallax effects, unlike a normal photograph, which is fixed. So, if your hologram includes one object that is partly behind another object, you can see around the obstruction… Continue reading Amazing Laser Application 8: Holography!

Optics Quiz Answer

Around 470 people voted in yesterday’s optics quiz. I continue to be amazed at the power of radio button polls to bring people into the blog. As of early Friday morning, the correct answer is solidly in he lead– 63% of respondants have correctly replied that the image remains intact, but is half as bright.… Continue reading Optics Quiz Answer

Links for 2010-04-16

YouTube – Real Word Problems From My Physics Book – PH17 Amazingly, this isn’t the silliest problem I’ve seen in an intro physics book… (tags: education physics science silly video youtube) Twitter / @busynessgirl/Calcwars Newton, Leibniz, meet Twitter. Twitter, Isaac Newton and Gottfried Leibniz. (tags: silly math science history internet) Phys. Rev. Lett. 104, 153202… Continue reading Links for 2010-04-16

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How to Teach Physics to Your Dog: Obsessive Update

The pace has slowed, but there are still occasional sightings of How to Teach Physics to Your Dog in my Google vanity searches: It turns up on library blogs with some regularity. This particular one, from the University of Wisconsin-Whitewater is nice because it’s not just a rewrite of the publicity copy I was really… Continue reading How to Teach Physics to Your Dog: Obsessive Update