Space
Iodine Could Fuel Interstellar Travel, Scientist Says
November 23, 2021
A telecommunications satellite with an iodine-based electric propulsion system has been successfully tested in space.Featured Small
Archaeology
‘Industrial-Scale’ Brewery Found in Ancient Egypt
March 31, 2021
Around 3000 BC in the ancient Egyptian town of Abydos, beer was brewed for kings in 5,000-gallon batches.
Climate Change
Water for Beer on a Hopped-Up Planet
October 23, 2019
Beer is about 90 percent water. This fact weighed on Rasmus Broge as he mulled an opportunity to help launch the first microbrewery in Greenland.
Energy
For Storing Electricity, Utilities Are Turning to Pumped Hydro
May 24, 2015
High-tech batteries may be garnering the headlines. But utilities from Spain to China are increasingly relying on pumped storage hydroelectricity first used in the 1890s to overcome the intermittent nature of wind and solar power.