Chapter 1
Kitchen chemistry hacks
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Chapter 2
Mind and memory hacks
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Chapter 3
Ancient survival hacks
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Chapter 4
Everyday physics and repair hacks
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YOUR GOAL
Master of The science of the ultimate life hack
Ch 4 · Everyday physics and repair hacks
mamabear1989 Plastic Bumper Repair
Heat it up, pop it out! Heat it up, pop it out! Boiling water brings the bumper back.
mamabear1989 Toothpaste acts as a mild abrasive to buff out small scratches on surfaces.
mamabear1989 Applying household oil breaks down sticky adhesive residues left behind by tape.
Fun Fact
Zipper fix: Rubbing a pencil lead along a stuck metal zipper lubricates the teeth with graphite, letting it slide smoothly.
Glossary
torque (noun)
A twisting force that tends to cause rotation. In 1891, Johan Petter Johansson patented the adjustable wrench, a tool designed to maximize this force.
A twisting force that tends to cause rotation. In 1891, Johan Petter Johansson patented the adjustable wrench, a tool designed to maximize this force.
Quiz
What household liquid can remove rust from metal tools due to its mild acidity?
Quiz
What chemical principle explains why vegetable oil removes sticky sticker residue?
Quiz
What ingredient in standard toothpaste allows it to polish away minor scratches?