Tech History Today – Oct. 13, 2013

In 1884 – Geographers and astronomers adopted Greenwich as the Prime Meridian, making it the International standard for zero degrees longitude. Today the Greenwich observatory shoots a laser northwards at night to indicate the meridian. It is not a dangerous laser.

In 1983 – Bob Barnett, president of Ameritech Mobile communications, called Alexander Graham Bell’s nephew from Chicago’s Soldier Field using a Motorola DynaTAC handset. It marked the launch of the first cellular telephone network in the US.

In 1985 – The first observation of a proton-antiproton collision was made by the Collider Detector at the Fermi National Accelerator Laboratory in Batavia, Illinois.

Like Tech History? Purchase Tom Merritt’s Chronology of Tech History at Merritt’s Books site.