03Everyday Physics
Why Does Static Electricity Build Up on Clothing?
Clothes rub, touch and separate thousands of times in a dryer or on your body, trading tiny amounts of charge each time. Dry air…
03Topic
Everyday Physics
Heat, friction, surface tension, buoyancy and static charge, explained through the objects and moments where you actually meet them.
03Everyday Physics
Why Does Metal Expand When Heated?
Heat makes the atoms in a metal vibrate harder, and because of how atomic bonds work they drift slightly apart. Here is why metal…
03Everyday Physics
Why Does Water Form Round Droplets?
Small amounts of water pull themselves into spheres because a sphere has the least surface for its volume. Here is how surface tension does…
03Everyday Physics
Why Do Metal Objects Feel Colder Than Wooden Objects?
A metal rail and a wooden bench in the same room are at the same temperature, yet the metal feels much colder. The reason…