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Lego bricks Two Lego Duplo bricks with a standard brick for comparison The Lego Group's Duplo product line was introduced in 1969 and is a range of blocks whose lengths measure twice the width, height, and depth of standard Lego blocks and are aimed towards younger children.
Manhattan District The Trinity test of the Manhattan Project on 16 July 1945 was the first detonation of a nuclear weapon. Active 1942–1946 Disbanded 15 August 1947 Country United States United Kingdom Canada Branch U.S. Army Corps of Engineers Garrison/HQ Oak Ridge, Tennessee, U.S. Anniversaries 13 August 1942 Engagements Allied invasion of Italy Allied invasion of France Allied invasion of ...
[8]: §4.1.2, p183 (pins 1–12) 2 additional ground pins – (pins 13 and 14) 3 pins for the auxiliary channel – the auxiliary channel uses another 3-pin shielded twisted pair (pins 15–17) 1 pin for HPD – hot-plug detection (pin 18) 2 pins for power – 3.3 V power and return line (pins 19 and 20)