Boiling under Reduced Pressure
With the help of a simple manual vacuum pump that is used to keep food fresh, we can demonstrate the effect of a reduced pressure on the boiling point of water. This leads...
March 2013
Egg into Flask
This classic physics demonstration is used to show the effects of pressure difference between the atmosphere and a cooling volume of air. With a set of clean apparatus, you can...
Egg out of Flask
In a previous demonstration , we put a boiled egg into a flask with a mouth narrower than the egg. The challenge is now to remove the egg from the flask without breaking it....
15. Electromagnetism
[accordions autoHeight='true'] [accordion title="1. Definitions"] The magnetic flux density at a point is defined as the force acting per unit current per unit length of the...
Single Slit Diffraction using Fingers
This demonstration requires no material other than your own fingers. Hold your index and middle fingers close to each other, leaving a small slit between them about 1 mm in width....