Latest Rubbing Stories
Disney researchers in Pittsburgh have discovered a way to store energy in paper-like materials that can later be harvested via rubbing, sliding or tapping. The resulting energy can then be used to turn on LED lights, activate an e-ink display, or turn on other low-power devices.
A gallery of classic crayon wax rubbing ideas together with melting crayon craft ideas has been released on Kids Activities Blog.
- To swell, as grain or wood with water.