Despite his incredible evidence for continental drift, Wegener never lived to see his theory gain wider acceptance. He died in 1930 at age 50 of a probable heart attack while on a scientific expedition in Greenland.
drill press - a machine tool with a separate, upright stand; an electric drill is pressed into the work automatically or with a hand lever. 1  electric drill - a rotating power drill powered by an electric motor. 2  machine tool - a powered machine for cutting or shaping or finishing metals or other materials.
Push-ups are a basic exercise used in civilian athletic training or physical education and commonly in military physical training. They are also a common form of punishment used in the military, school sport, or in some martial arts dojos. In the past this movement was called a floor dip.