Cartoonist and engineer Tim Hankin posted on his website
Hunkin's Experiments over 200 hand-drawn comics describing funny, instructive and completely unexpected experiments that can be done at home (office :) conditions.
Here are some impressive examples:
Uninterruptible Power Supply, or
How to make a battery of three potatoes .
The amount of code can always be reduced by half, or
How to stuff an egg into a milk bottle .
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Methods of dealing with phishing, or
How to detect fake diamonds or silver .
Still from the same opera, or
How to make sure that the ring is made of pure gold .
Preparing for a job interview, or
How to wrap up in a Greek chiton or Roman toga .
Do not leave fingers, Stirlitz, or
How to interlock clips, without touching them .
School of survival, or
How to get water in the desert .
The computer was invented by Russian peasants, or
Multiplication in Russian .
And as a dessert:
Cookbook anarchist, or
How to make a nuclear reactor from an apple core and four pencils .