TLT TRIBOL OGY & L UBRICA TION TECHNOL OGY SYSTEMS, STRATEGIES & RESEARCH FOR LUBRICATION PROFESSIONALS AN PUBLICATION | AUGUST 2015 11 YEA YEARS of publishin publishing excellence Tribologists seek new formulations to help control a trillion-dollar problem. p BILL MALLORY, JR. Q&A The evolution of grease ROLLING ELEMENT BEARINGS Selecting the correct lubricant AUTOMOTIVE TRIBOLOGY A shiftless transmission? OPTICAL LUBRICATION An eye-opening tale LESSONS FROM THE WRIGHT BROTHERS The importance of col collaboration Digital TLT: Sponsored this month by Halocarbon at www.stle.org.