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how things work

How Things Work

Updated : Sep 13, 2012

Digital Clone

When you need a digital version of a printed document to store on your computer or to use online, a scanner is what you require.

Updated : Sep 13, 2012

How Blu-ray discs work

From CDs to DVDs to Blu-ray, the media storage technology has moved to higher capacities and higher resolutions. A Blu-ray disc and player together provide content at full HD 1080p resolution. This is how they work.

Updated : Sep 13, 2012

How RC toys work

Radio-controlled or remote-controlled toys, popularly called RC toys, are self-powered and can be controlled from a distance using a remote that works with radio waves.

Updated : Feb 11, 2012

How GPS systems work

Aided by the grid of satellites orbiting the earth, the global positioning system tells us where we are and where we have to go.