Tech History Today – June 22

In 1675 – Britain’s King Charles II established the observatory at Greenwich with the main purpose of determining precise longitudes to aid in navigation. This purpose led to Greenwich being marked as the prime meridian and later Greenwich Mean Time.

In 1799 РThe first definitive prototype metre bars (m̬tre des Archives) and kilograms were constructed in platinum.

In 1999 – The first demonstration of live rats directly controlling a robot arm with their thoughts was published by Nature Neuroscience.

This entry was posted on June 22, 2012 at 12:05 am and is filed under Tech History Today. You can follow any responses to this entry through the RSS 2.0 feed.