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Comment: Re:Spin of photon is always 1 (Score 1) 107

Photon does have angular momentum (you are right, not an orbital one), but that really just the same as "spin" with a helicity, plus or minus h-bar depending on whether right or left-hand polarized We can add energy to your list; If you know frequency, you also know energy and momentum of photon

Comment: Re:Who cares - get something for that money (Score 1) 474

I use a company Apple laptop, must say it's very solid and robust compared to other leading laptop brands, and I sure appreciate having BSD on there as opposed to the other alternative my employer would have handed me, a windows thing. Don't have to worry about driver configuration issues either, the hardware designed for an OS and driver set. I drive two other screens with it on my desk, nice to have three total screens that work well together. Major softwares in the business/professional world can run on it, for some things there just aren't alternatives yet in the open source world. Now at home I run GNU/Linux, on the two systems under my desk nvidia and radeon driver issues sometimes a pain. But there are things I have to do for work that just can't run on that platform, so I have to fire up windows 7 under vmware workstation. ew.

Comment: Re:HP isn't a computer company. (Score 1) 474

Everyone here is so desktop-computer focused. HP indeed has a long tradition as a computer company. In 1972 they introduced the HP 3000 minicomputer line, which had a 31 year run until 2003. Its MPE operating system is time sharing. These machines are still running at manufacturing plants, office management companies, and local insurance companies. In 2012 Stromas made an emulator for x86, and HP sells an "HPA/3000" license to run MPE on it.

Comment: Re:Valve Radio (Score 1) 208

by Ralph Siegler (#46070979) Attached to: Ask Slashdot: Educating Kids About Older Technologies?
there's only one reason left to use those silly things, and that's just because a business is still using another unnecessary obsolete technology when superior alternative has been around for decades now.

I haven't needed a typewriter at work since circa 1990. a friend and I came up with templates for all the needed forms on the word processor wares so the clack-clacking of the typewriter we used to use in our department was never heard from again.

another pointless office machine that soon needs to die off is the facsimile machine

Sentient plasmoids are a gas.

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