Black Hole construction kit: While looking for metals or alloys with very high resistance to in vivo corrosion plus low electrical conductivity (so of potential in-body use with NFC / IPT) I stumbled upon an alloy referred to only as "Climax". I wondered what it was and why it was so named. Now I know. One more set of interesting factoids to add to the heap. http://en.wikipedia.org/wiki/Climax_mine Just across from Camp Hale http://www.wikimapia.org/#lat=3D39.3932239&lon=3D-106.1890411&z=3D13&l=3D0&= m=3Db Technosalesspiel - good regardless http://www.imoa.info/_files/brochures_articles/Applications_Mo_Metal.pdf ________________________________ Misc related stuff - use to construct black hole as desired: http://books.google.co.nz/books?id=3DRzMOiOEQ-oMC&pg=3DPA271&lpg=3DPA271&dq= =3Dmetal+alloy+climax&source=3Dbl&ots=3DwMk38g7HTH&sig=3Dmz2M8U5EBPIJY62Q93= kbgFhFadQ&hl=3Den&ei=3DP3DFTq2fJOKNiAfAlviRDg&sa=3DX&oi=3Dbook_result&ct=3D= result&resnum=3D4&ved=3D0CDEQ6AEwAw#v=3Donepage&q=3Dmetal%20alloy%20climax&= f=3Dfalse http://www.amazon.com/s?ie=3DUTF8&rh=3Dn%3A16310181%2Cp_manufacturer-bin%3A= Climax%20Metal%20Products%2Cp_n_material_browse%3A16414551&page=3D1 http://www.google.co.nz/#hl=3Den&cp=3D30&gs_id=3D4n&xhr=3Dt&q=3Delectrical+= conductivity+metals&pq=3Dtantalum+conductivity&pf=3Dp&sclient=3Dpsy-ab&safe= =3Doff&source=3Dhp&pbx=3D1&oq=3Delectrical++conductivity+metal&aq=3D0&aqi= =3Dg2g-v2&aql=3D&gs_sm=3D&gs_upl=3D&bav=3Don.2,or.r_gc.r_pw.&fp=3Da177ae7f1= f88ca81&biw=3D1333&bih=3D750 http://www.chemicool.com/elements/tantalum.html http://www.wisetool.com/designation/cond.htm http://books.mcgraw-hill.com/EST10/site/articles/ElectricalConductivityOfMe= tals.pdf http://www.standnes.no/chemix/periodictable/electrical-conductivity-element= s.htm For $ :-( http://www.standnes.no/chemix/general-chemistry-software.htm http://www.tibtech.com/conductivity.php http://www.kp44.org/ftp/ElectricalConductivityOfMaterials.php --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .