U WEIGH LESS ON THE MOON … BUT U STILL CAN’T FIT IN YUR JEANS
Blue Jean, look out world, you know I’ve got mine. (“Blue Jean,” by David Bowie, 1984) THE DIFFERENCE BETWEEN MASS … MEASURED IN lbm FORCE … MEASURED IN lbf AND WEIGHT … ALSO MEASURED IN lbf PTOA Readers and … Continue reading →