Magdeburg Hemispheres
As promised, I am sharing another purchase made during this mid-term break for my kids. Magdeburg hemispheres are used to demonstrate the power of atmospheric pressure. This...
July 2020
Hydraulic Elevator
This is a hydraulic lift kit for kids that was purchased online for only S$2.10 from Shopee , with free shipping! I am not, in anyway, affiliated to this, but simply sharing about...
Braking of a Magnetic Pendulum with Copper Plate
In this video, we will observe how induced eddy currents in a copper plate slow down a magnetic pendulum. When the pendulum is set in motion, it usually oscillates for quite...
Non-Uniform Vertical Circular Motion
Using a chain of rubber bands, I swung a ball around in a vertical loop. This demonstration shows how the tension in an elastic band changes according to the position of the ball,...
Perpetual Motion Engines
This is the best video I have come across so far that is used to introduce the idea of perpetual motion engines and why it violates the principle of conservation of energy.
Pressure and Projectile - Penguin's Poop
An interesting paper on the range of penguin's poop. Their motivation? "Such information is useful for keepers to avoid the direct hitting of faeceses." Source:...
Centripetal force on and off
Here's a quick video to demonstrate the movement of a ball initially moving in a circle before its centripetal force (contact force by the circular wall) is removed. The ball is...
Escape Velocity
Using the GeoGebra app above, I intend to demonstrate the relationship between total energy, kinetic energy and gravitational potential energy in a rocket trying to escape a...
Documenting this website's migration
After years of hosting my website on a traditional webhosting service that has seen multiple service disruption over the years, I have switched to Amazon Web Services, which is...