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Posts by joelsalt

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Scratching is very simple.  If something is two things come into contact, the harder thing scratches the softer thing.  This is why Diamond doesn't scratch. There are indices of hardness measure (i.e. Mohs scale. I'm sure there are more relevant ones) – simply put, make the glass harder and more common things (keys, rocks) won't scratch it, though a diamond coated ice pick still would. ​I've never seen a windshield scratched, though I'm sure it could be.  Cracking is, of...
I worked at a movie theatre.  We never closed.  Not even Christmas Day, on which I worked.  Not the end of the world
I should have made this reference instead! 
Glad to see you work in a hyperbaric chamber
That's what I used to think about iPods Of course, they do a lot more now for 300 bucks than the old 600 dollar white ones, but still
I dunno - SaskTel in Canada is a crown corporation (i.e. owned by the provincial government) and it has unlimited bandwidth, up to 260 mbps fibre speeds (which they are in process of laying in older neighbourhoods) and you get free routers (or cable box modems) etc. at similar or better prices than others  - far better deal than Rogers (private national company) Of course, this may be subsidized by tax dollars - just like Energy, Power, Telephone (Landline) and other...
You are correct!
Michio Kaku predicted one by 2030 I think, which could analyze waste for cancer. (He's a populist theoretical physicist)
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