cheapbag214s
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 Posted: Wed 3:08, 04 Sep 2013 Post subject: Scientists invent non |
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Scientists invent non,[link widoczny dla zalogowanych]
Scientists said Friday they have invented a non-stick chewing gum that can be easily removed from shoes,[link widoczny dla zalogowanych], sidewalks and the underside of classroom desks.
Revolymer,[link widoczny dla zalogowanych], a spinoff company from the University of Bristol,[link widoczny dla zalogowanych], said preliminary results of its Clean Gum showed it degrades naturally in water and can be easily removed from surfaces,[link widoczny dla zalogowanych], clothing and hair.
The company said it has completed two street trials on pavements in local high schools. After eight days,[link widoczny dla zalogowanych], leading commercial gums remained stuck to the pavement three out of four times,[link widoczny dla zalogowanych], while the Clean Gum was removed within 24 hours by natural events.
The gum could even be removed from hair,[link widoczny dla zalogowanych], although it took several washes with shampoo,[link widoczny dla zalogowanych], the Guardian newspaper reported.
University of Bristol professor Terence Cosgrove,[link widoczny dla zalogowanych], the chief scientific officer of Revolymer,[link widoczny dla zalogowanych], said the basis of the technology was the addition of an amphiphilic polymer to the chewing gum formula. Amphiphiles are molecules that bond with water on one end and are repelled by water on the other end.
When the gum is chewed,[link widoczny dla zalogowanych], the ends of the polymer that attract water draws saliva to it,[link widoczny dla zalogowanych], forming a thin film around the gum that acts as a lubricant and keeps it from getting too sticky.
"[It] alters the interfacial properties of the discarded gum cuds,[link widoczny dla zalogowanych], making them less adhesive to most common surfaces,[link widoczny dla zalogowanych]," said Cosgrove in a statement.
The company saidit plans to release the product some time in 2008,[link widoczny dla zalogowanych].
Trudeau touts Liberals as 'irresistible alternative'
Perceived frontrunner Justin Trudeau made a passionate plea for the party's top job during an event the Liberal Party called a "national showcase" in Toronto on Saturday. Flip through the interactive magazine to see stories you may have missed. 5,[link widoczny dla zalogowanych], 2013 3:24 PM A poorly attended press conference at NASA headquarters this week announced early results from a dark matter experiment on the International Space Station. While the scientists were excited by their findings,[link widoczny dla zalogowanych], the media responded with a shrug,[link widoczny dla zalogowanych], because the results were somewhat incomplete.
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