Feb12
Green With Envy
5 Comments posted in: Buttons
That’s what you will be when you see my new laser pen! It should project a green beam at night which will be useful for pointing out astronomical things to people. I’m going to try it out during my after-dinner talk at the Reading 41 Club tomorrow night.
Posted:
Tuesday, Feb 12, 2008 at 02:59 PM by jochta
COMMENTS
5 people have commented
Posted by Not telling on Thu, February, 14, 2008 - 10:33 PM
Lasers don’t project a beam. They emit coherant photons of light. It only appears to be a beam because the light reflects of the dust in the atmosphere.
Posted by .(JavaScript must be enabled to view this email address) on Mon, February, 18, 2008 - 12:12 PM
LOL
Posted by nejota on Wed, February, 20, 2008 - 10:20 AM
Yes, these gadgets are really cool - seen Richard Hall use one of these at The Phoenix Astro Society in the Wairarapa, NZ - so easy for us lay folk to see the objects when an expert points them out with one of these.
Posted by .(JavaScript must be enabled to view this email address) on Sat, September, 20, 2008 - 10:39 AM
Thanks for the suggestion
www.izlekop
Posted by burun on Thu, November, 13, 2008 - 03:40 PM
The level of fear is *not* “unprecedented” - the old VIX (now VXO) hit 172 during the 1987 crash. That is the record. The VXO hit 103.41 today which is still 40% below the 1987 crash level. It’s nice to have the VXO around at times like this if only to be able to make valid comparisons with the pre-change VIX.
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