Daily Archives: January 30, 2007

Hubble Trouble

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hubble graphicAs you can tell by putting “hubble” into the blog’s search engine on the right, the Hubble Space Telescope has been a strikingly successful eye on what’s going on (and what went on) in the universe, and very powerful tool in lots of research. A lot of that research is done with the instrument called the Advanced Camera for Surveys (ACS), which have been the instrument in most heavy demand by researchers since it went online in 2002 (Hubble was launched much earlier, in 1990 of course). The instrument stopped working a few days ago (see e.g. stories here and here, [update: and especially here]), and is not expected to become operational again without direct intervention. Given that the Hubble orbits some 360 miles above the earth, this is not an easy thing to do.

There are other instruments on board too, but the loss of use of this one is a heavy […] Click to continue reading this post →

Talk about the Talk

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charles stevensChuck Stevens’ visit went very well indeed. The talk was excellent, and well attended by faculty and students from both Physics and Astronomy Department, and the Neurosciences Research Institute. I’ll tell you a bit more about what he said in a subsequent post, along with pointing to video and slides from the talk, I hope. (Click on left for larger view.)

By the way, when I got to the Steve Reich concert venue, there was a huge line of people waiting to get in. They eventually turned a lot of us (myself included) away due to lack of space.

So I got on my bike and cycled rapidly up Figueroa Street to downtown and found the restaurant where some of my colleagues had taken the guest for dinner. Excellent conversation instead of excellent music. A good trade.

Here’s something I passed on the way to the restaurant. Took a picture while waiting […] Click to continue reading this post →