A Radial engine was used on old bi-planes - many (round)cylinders around one shaft - Rotary engines have a triangle type piston - not round. Instead of going up & down ,they move in a somewhat triangle circle.
The largest tsunami on record strucky Lituya Bay in a  remote portion of Alaska in 1958. It was overâ¦ 1,700 feet tall. The  meteor impact associated with the extinction of the dinosaurs is  believed to have generated a tsunami 3,000 feet to 1 mile tall.
Scientist Confirm the Largest Wave Ever Recorded. A six-story building rising and falling in the ocean. The World Meteorological Organization (WMO) has announced that in 2013, a buoy detected the the highest significant wave height in recorded history. At a little over 62 feet, the North Atlantic wave was the size of a six-story building.