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I know it is getting late in the game but I'm still on the fence about if I'm going. It's a lot of money just to fly there. If I knew who else is going, it might be some encouragement for me scrape up some cash. I know two who said they are not going. I'm still doing finishing touches on my paper to...

Did you try rotating the detector? Could be polarization.

You mention a 532nm battery laser. Can you be more specific?

Does it have to be in Instagram? Can't you just post it on this forum?

Isn't that a 200 inch telescope?

Don't Bogart the driver.

I wish all my holography buddies a great New Year.

Merry Christmas and happy HOLO-days to all!

Some of its Helium may have diffused out. You could try putting it in a bag full of Helium and running it for a couple of days. Some of the outside Helium may diffuse back in. Good luck.

While experimenting with a PL530 , I felt a bug stinging me on my belly. It wasn't a bug - it was the laser. Be careful!