Not all fonts have the letter M in them (for example Chinese), but all fonts have a height. The term has therefore come to mean the height of the font - not the width of the letter M. In CSS, the em unit is a general unit for measuring lenghts, for example page margins and padding around elements.
Boston University's largest study abroad program is located in London, England. Boston University London Programmes offers a semester of study and work in London through their London Internship Program (LIP), as well as a number of other specialized programs.
The UCSB Nanofabrication Facility is located at the University of California, Santa Barbara â90 miles north of Los Angeles. Driving from the north or the south on the 101 Freeway just follow the UCSB/Airport Exit signs to the entrance of campus. We are in the Engineering Science Building, 1st floor.