• Mohs scale of mineral hardness - Wikipedia

    en.wikipedia.org/wiki/Mohs_scale_of_mineral_hardness The Mohs scale of mineral hardness (/ m oʊ z /) is a qualitative ordinal scale characterizing scratch resistance of various minerals through the ability of harder material to scratch softer material. Created in 1812 by German geologist and mineralogist Friedrich Mohs, it is one of several definitions of hardness in materials science, some of which are more quantitative.
  • New Quadratec Aluminum Skidplates | Jeep Wrangler Forum

    www.wranglerforum.com/threads/new-quadratec-aluminum-skidplates.2124945 2014 JKUR, Leather and everything inside, 4 inch OME springs, all Alpine arms, Adams front driveshaft, Falcon 2.1's, Adj track bars front and rear, heavy bumpers and winch, Method rims and 315-70-17 BFG KO2's, ARB diff covers, Dana 4.56's, ProComp LED's, Yukon freespin hubs& axels, 2 Bernese Mtn dogs.
  • How is the identity of an unknown mineral determined ...

    www.thenakedscientists.com/forum/index.php ©The Naked Scientists® 2000–2017 | The Naked Scientists® and Naked Science® are registered trademarks created by Dr Chris Smith. Information presented on this website is the opinion of the individual contributors and does not reflect the general views of the administrators, editors, moderators, sponsors, Cambridge University or the public at large.
  • /diy/ - Do-It-Yourself

    warosu.org/diy/thread/1194986 Anonymous Sat Jun 17 01:31:50 2017 No. 1194992 >>1194988 its just the tip that is made of tungsten. I know that elongated shafts of tungsten are brittle so i designed around it. But the Mohs scale rates them on equal footing.
  • TIL that most scratches on porcelain tableware are in fact ...

    www.reddit.com/r/.../til_that_most_scratches_on_porcelain_tableware TIL that most scratches on porcelain tableware are in fact metal residue from the metal in the utensils rather than scratches in the porcelain, since porcelain is much harder than steel used in most utensils
  • New Quadratec Aluminum Skidplates | Page 2 | Jeep Wrangler ...

    www.wranglerforum.com/threads/.../page-2 Part Number - Product: Shipped weight 12500.0211 - Front sway bar skid: 20 lbs 12500.0212 - Engine & Trans Skid: 38 lbs 12500.0213 - Trans Skid only: 20 lbs
  • [650] TiGr Titanium Bike Lock Picked

    ruclip.com/video/uOYAF_E9aU0/650-tigr-titanium-bike-lock-picked.html [650] TiGr Titanium Bike Lock Picked
  • Why witchers carry two swords and more? | Forums - CD ...

    forums.cdprojektred.com/index.php Why witchers carry two swords and more? As the title states why witchers carry two swords? I know that steel is for beasts, humans and silver one is for monsters. But really one silver sword is enough for a witcher to have. I mean it doesn't matter if some animal or human is wounded by steel or...
  • [Q] The Glass on RSI ships, and others but mainly RSI ...

    forums.robertsspaceindustries.com/discussion/comment/298467 Will the observation windows on the Aurora, Constellation, and the smaller observation windows on other ships be at risk of being compromised and risking hull breach?
  • Today's Passing Fancy

    todayspassingfancy.blogspot.com/feeds/posts/default This boat was made the first year Catalina made the model. She's an OLD boat. About as old as I am, and for a boat, that's fairly old. She has had an unknown number of owners with an undocumented repair and maintenance history.