Very interesting read. Here is a quote from the article you linked:
Nice looking flashlight, makes a fine EDC if it comes with a clip.
1 USB-port, indicating it's rechargeable
2 1*18650, possibly 2*CR123A
From this article:http://phys.org/news/2015-07-world-white-lasers.html
"Researchers at Arizona State University have solved the puzzle.
Well, just to clarify... the laptop actually is from 2008 or 2009. I bought it used from the company I work for back in 2012 when it was retired there.Kurt_Woloch Today, 02:19 AM
I would do this, just because it looks like it has a flat that is blank for the engraving. Crap, I am thinking of picking one up with the moon, low, medium,nimdabew Today, 01:12 AM
Would be interesting to see if the larger body of the H600 allows Zebralight to push the Luxeon T to even higher Lumens, or if there's some kind of 6vtwistedraven Today, 01:09 AM