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The data reduction procedures used on the observations obtained from the ESSA Research Flight Facility aircraft during the Stormfury 1965 operation is described. The results to be obtained eventually are cloud liquid water content, volume median drop size, turbulent vertical velocity, and buoyancy fluctuations in cloud passes made by the aircraft. (Author).

Simple activities help explain what makes things wear away, how friction makes things hot, how it helps things to slip and slide or keeps them from doing it, how people use things which turn and spin to lessen friction, and how to make static electricity by friction.

Examines The Principles Of Electricity And How It Is Produced In Turbines And Generators And Harnessed For Home Use.