On this day, space/science/tech history (Oct 13th)

[yruc]

1775 Continental Congress orders construction of a naval fleet <br />1792 Washington lays cornerstone of the Executive Mansion (White House)<br />1860 1st aerial photo taken in US (from a balloon), Boston <br />1953 Burglar alarm-ultrasonic or radio waves-patented-Samuel Bagno <br />1964 Voskhod 1 crew returns<br />1969 Soyuz 8 is launched <br />1978 Tiros N, US's 1st 3rd generation weather satellite, is launched <br />1984 STS 41-G mission; lands at Kennedy Space Center <br />1987 1st military use of trained dolphins (US Navy in Persian Gulf) <br /><br />Source: http://www.scopesys.com/anyday/