oh, chicago

Faster trains are the only hope for Blue Line

The train line through my neighborhood (connecting downtown to O’Hare) is notoriously crowded these days. Everyone complains, but there’s no easy fix. There isn’t enough electricity to power more trains, and the curved tracks prevent them from adding more cars […]

big ideas

Electricity-free cooling by beaming heat into space.

A team from Stanford has made progress on a system they call radiative sky cooling. Originally created in 2013, their latest real-world test … “found that throughout the summer the panels cut the power needed to cool the building by more […]

big ideas

Scientists made food from electricity. 

“Finnish researchers have created a batch of single-cell protein that is nutritious enough to serve for dinner using a system powered by renewable energy. The entire process requires only electricity, water, carbon dioxide, and microbes.” | learn more