Uptowngirl Posted February 1, 2012 Share Posted February 1, 2012 I just wondered why razor blades go blunt. They are made of steel and hair is made of...erm..hair. So why do they lose their edge? Link to comment Share on other sites More sharing options...
medusa Posted February 1, 2012 Share Posted February 1, 2012 It's not the hair that blunts them usually, it's more to do with the blade's edge being continually blunted by the skin that the blade is being dragged along. The blade is so fine that at that level the skin is as rough as sandpaper. This is one of the major reasons that shaving your legs blunts a blade much faster than shaving a face- there's a lot more skin covered. Link to comment Share on other sites More sharing options...
nickycheese Posted February 1, 2012 Share Posted February 1, 2012 ...also because if they didn't the razor companies would go bust ;-) Link to comment Share on other sites More sharing options...
metalman Posted February 1, 2012 Share Posted February 1, 2012 It's because you haven't kept them in a pyramid. Only those who were around in the 70s will understand this though. Link to comment Share on other sites More sharing options...
Phanerothyme Posted February 1, 2012 Share Posted February 1, 2012 Hands up if your cardboard pyramid went mouldy in the bathroom Link to comment Share on other sites More sharing options...
shane39 Posted February 1, 2012 Share Posted February 1, 2012 ...also because if they didn't the razor companies would go bust ;-) They certainly will not go bust with the price they charge. What a rip-off!..£10 for 4 blades. Anyone know how much they actually cost to produce? Link to comment Share on other sites More sharing options...
barleycorn Posted February 1, 2012 Share Posted February 1, 2012 It's because you haven't kept them in a pyramid. Only those who were around in the 70s will understand this though. Or have read certain Discworld novels... jb Link to comment Share on other sites More sharing options...
Murphy Jnr Posted February 1, 2012 Share Posted February 1, 2012 I was around in the 70's but I have no recollection of a 'pyramid' Link to comment Share on other sites More sharing options...
barleycorn Posted February 1, 2012 Share Posted February 1, 2012 I was around in the 70's but I have no recollection of a 'pyramid' http://en.wikipedia.org/wiki/Pyramid_power#Origin_of_term jb ETA: According to Flanagan, pyramids with the exact relative dimensions of Egyptian pyramids act as "an effective resonator of randomly polarized microwave signals which can be converted into electrical energy." Flanagan's claims range from enhancing the nutritional value of foods to sharpening knives by placing them under such a pyramid (aka the "Pat Flanagan Experimental Sensor") overnight. Link to comment Share on other sites More sharing options...
Uptowngirl Posted February 1, 2012 Author Share Posted February 1, 2012 It's because you haven't kept them in a pyramid. Only those who were around in the 70s will understand this though. My minds running away with me here. Keeping the blades in my pyramid!!!!!!!!!! It was that I was shaving. Link to comment Share on other sites More sharing options...
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