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Biology/Physics-Origin of the different colors of things

Latest Posts in Electronics

Electronics-How laser printers work

Electronics-How laser printers work

May 4, 2017May 5, 2017jlw Comment

Many of us use laser printers on a daily basis. We know that it turns digital data on our computer into letters and images […]

Electronics-How an optical mouse works?

Electronics-How an optical mouse works?

April 28, 2017May 5, 2017jlw Comment

An optical computer mouse converts its movement on a surface to the movement of a cursor on the computer screen. It also incorporate buttons […]

Electronics/Physics-Why do electronic devices become hot?

Electronics/Physics-Why do electronic devices become hot?

April 20, 2017May 5, 2017jlw Comment

Nowadays, electronic gadgets pretty much run our lives. We spend hours browsing the internet, playing games, and chatting with friends using our laptops, smart […]

Latest Posts in Physics

Physics-A cool little cube that can jump, balance and walk!

Physics-A cool little cube that can jump, balance and walk!

May 17, 2017jlw Comment

A cool little cube that can balance itself, jump up and “walk”! But how does it do these tricks, and what is the physics […]

Physics-Build your own electromagnetic train

May 17, 2017

Physics-What is sound?

May 4, 2017

Physics-Wave interference simulation

April 26, 2017

Latest Posts in Biology

Biology-How our ears work

Biology-How our ears work

April 6, 2017May 17, 2017jlw Comment

Sound is a mechanical vibration that travels through a medium, such as air or water. When it is picked up by our ears, the […]

Biology-How our eyes work

April 6, 2017

Biology-How photosynthesis works

April 6, 2017

Latest Posts in Chemistry

Chemistry/Electronics-How Li-ion battery works

Chemistry/Electronics-How Li-ion battery works

December 28, 2016April 26, 2017jlw Comment

Latest Posts in Mechanics

Mechanics-How car exhaust works

Mechanics-How car exhaust works

December 28, 2016April 30, 2017jlw Comment

Mufflers are installed within the exhaust system of most internal combustion engines, although the muffler is not designed to serve any primary exhaust function. […]

Mechanics-How car gearbox works

December 28, 2016

Mechanics/Electronics-How aircon works

December 28, 2016

Latest in Natural Phenomena

Nature-How are tides generated

Nature-How are tides generated

December 28, 2016April 26, 2017jlw Comment

Nature-How is wind generated

December 28, 2016