William Mills (inventor) William Mills (inventor) Sir William Mills (24 April 1856 - 1932) of Sunderland was an English engineer, who invented the Mills bomb which was developed and manufactured at his factory in Birmingham, England. The Mills bomb was the hand grenade most widely used by British and Imperial forces during the First World War. He was knighted in 1922. William Mills was born on 26 April 1856 in Wear Street, Southwick, Sunderland. He was the son of David Mills, a shipbuilder, and his wife Sarah Ann Kirkaldy. The Sunderland historian James Watson Corder recorded that David Mills had an interest in
Safety in numbers and 2005, and cyclist fatalities decreased by 58% and cycling increased by 45%. During 7 years of the 1980s, admissions to hospital of cyclists declined by 5% and cycling in Western Australia increased by 82%. Safety in numbers Safety in numbers is the hypothesis that, by being part of a large physical group or mass, an individual is less likely to be the victim of a mishap, accident, attack, or other bad event. Some related theories also argue (and can show statistically) that mass behaviour (by becoming more predictable and "known" to other people) can reduce accident risks, such as