Chemical structure of the silicone polydimethylsiloxane (PDMS). More precisely called polymerized siloxanes or polysiloxanes, silicones consist of an inorganic silicon-oxygen backbone chain (â¯-Si-O-Si-O-Si-O-â¯) with organic side groups attached to the silicon atoms.
Sony cuts PS Vita price to $199.99, reduces cost of memory cards. The PlayStation Vita price cut you've been waiting for is finally here: Sony has just announced that the PS Vita's retail price is being slashed to $199 in the United States. That's down from its previous MSRP of $249.99. The portable is also being slashed to â¬199 across European territories.
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