Posted Archive

Another use for your unwanted eggshells – energy storage

By Ben Coxworth – – Researchers study the eggshell material, with some help from a scanning electron microscope. (Credit: Daniel Messling, HIU/KIT). They’ve been used as a rubber additive, a carbon-capture medium and a bioplastic ingredient. Now, discarded eggshells may have yet another use. …

Cahokia: North America’s massive, ancient city

It was a sprawling civilization. By Matt Davis –  – Near modern-day St. Louis, Missouri, you can find towering mounds of earth that were once the product of a vast North American culture. Cahokia was the largest city built by this Native American …

 

Electric Mountain Cart takes disabled riders off-road

By Paul Ridden – – The EV4 Mountain Cart was developed with input from a disabled extreme athlete, and has been tested in snowy Polish mountains and on jump tracks. (Credit: EV4). Jack Skopinski’s rivet-packing electric trikes and four-wheelers like to tilt. It’s become something …

All hail!

San Francisco’s monarch who once “ruled” America.     Joshua Norton lost his wealth and his mind before declaring himself Emperor of the United States and Protector of Mexico in 1859. His first act as emperor was to abolish Congress and the Republican …