A theoretic analysis of the selection of timing point of the plane single pendulum from the non-linear perspective;

Design of terminal timing system based on color CCD;

Defining starting time in the experiments of fall-ball method to measure the coefficient of viscous liquids;

Determination of starting time in method of dropping spherule for measuring the coefficient of viscosity;

Making ticker-timer using transfusion set;

Measuring the Young modulus using ticker-timer as excitation source

The paper introduces the new experimental design of electromagnetic ticker timer to demonstrate the phenomena of driven oscillations and resonance,wave diffusion,interference,diffraction and stationary wave.