Modern version of J.J. Thomson’s experiment
J.J. Thomson discovered the electron in 1897, while working with cathode ray tubes. We can scavenge a tube from an
Energy quantization
Some interesting and informative demonstrations are prepared as a useful teaching tool to explain the idea of energy quantization. One
Phonon modes in a linear lattice
This demonstration is specifically based upon the properties of phonons. A diatomic chain with well defined periodicity is used as
Close packing of atoms
Table tennis balls that are glued together can be stacked on top of one another showing the two most important
Eddy current and Lenz’s law
An interesting demonstration of eddy current Plastic pipeis made by dropping a spherical or a cylindrical magnet down a
Bicycle gyroscope
The bicycle gyroscope is used to demonstrate torque induced procession. Such a gyroscope seemingly defies gravity. This is a useful
Monitoring the ECG
This is a homemade physiological kit for acquiring the ECG signal. One can also find the pulse rate and detect
