What's in a name? An 18650 li-ion battery consists of three parts: the cathode, the anode, and the electrolyte. The anode of all 18650 li-ion batteries is basically the same: carbon/silicon and graphite. The cathode, however, is where batteries differ, and it's what gives each model its unique characteristics. The chemical formulas in the table refer to the battery's cathode.
Originally used by Neil Armstrong when the first man-made craft (the Eagle) landed on the moon, now used to indicate the completion of a mission objective.n expression used in concurrance with a great accomplishment. An obvious referrence to the first Apollo mission to the moon, where it was spoken at the landing of the lunar module. Duh. Reaching the summit of a mountain; finally putting down bags of groceries; landing on the moon, etc.
The Apollo 11 lunar module Eagle is seen from the Columbia command module in this photograph by command module pilot Michael Collins on July 20, 1969. Aboard the Eagle, Apollo 11 commander Neil Armstrong and lunar module pilot Buzz Aldrin prepared to land on the surface of the moon for the first time. Credit: NASA.