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Article #487Self Sharpening Razor Blades
From: Lowell Herr
Date: Fri, 17 Mar 1995 12:01
Date: Fri, 17 Mar 1995 12:01
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> > Next they will ask you if dull razor blades placed actually placed under > a paper or plastic pyramid will become sharper. (They will, but the > pyramid has nothing to do with it, and the difference will be hard to > test without a microscope.) > There was a time in the middle '60's when Gillette made a double edged razor blade, that if placed in a damp wash cloth would self-sharpen. My chem teacher at the time was able to measure a slight electrical current between the body of the blade and the cutting edge. I experimented with the blades and it was possible to use one blade in excess of six months. I think Gillette gave up manufacturing these blades for obvious purposes. Lowell
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 16cfd8,80a44f8c9784ae99,start X-Google-Attributes: gid16cfd8,public X-Google-ArrivalTime: 1995-03-17 04:11:43 PST Path: arc1-ca.pugleaf.net!bga.com!news.sprintlink.net!howland.reston.ans.net!paladin.american.edu!auvm!CATSEQ.CATLIN.EDU!herr Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU Newsgroups: bit.listserv.physhare Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Message-ID: <Pine.3.07.9503170411.A1349-a100000@catseq.catlin.edu> Date: Fri, 17 Mar 1995 04:01:12 -0800 Sender: Sharing resources for high school physics <PHYSHARE@PSUVM.PSU.EDU> From: Lowell Herr <herr@CATSEQ.CATLIN.EDU> Subject: Self Sharpening Razor Blades In-Reply-To: <9503170236.AA29210@catseq.catlin.edu> Lines: 13