By John Roach

Collection of Blog Posts

Welcome to John Roach’s blog. Here, he posts stories that allow him to explore ideas, research and discoveries that capture his attention. He also showcases work that was previously published elsewhere. Click around and read a few posts today, and then come back on occasion to see what’s new.

Iodine Could Fuel Interstellar Travel, Scientist Says

A telecommunications satellite with an iodine-based electric propulsion system has been successfully tested in space.

Iron Age Skis Emerge From Melting Snow

Some 1,300 years ago, a pair of skis were lost or abandoned high on a windswept mountain in southern Norway where patches of snow and ice persist year-round.

‘Industrial-Scale’ Brewery Found in Ancient Egypt

Around 3000 BC in the ancient Egyptian town of Abydos, beer was brewed for kings in 5,000-gallon batches.

Water for Beer on a Hopped-Up Planet

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.

Can Data-Driven Agriculture Help Feed a Hungry World?

Agribusinesses are harnessing the bits and bytes of data to boost efficiency and profits, while simultaneously lowering the environmental impact of agriculture.

Beer Lands

Beer is a staple of ski town life. It is also woven into the agricultural landscapes that surround many of our mountain playgrounds.

For Storing Electricity, Utilities Are Turning to Pumped Hydro

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.

Ancient Barley Could Help Farmers Adapt to Changing Climate

DNA has been recovered from an ancient form of barley that persisted for more than 3,000 years and the tastes of five civilizations in Egypt's upper Nile.

Ancient Egyptians Drank Medicinal Wines

At least 5,000 years ago, the ancient Egyptians had begun a long-standing tradition of infusing their libations with medicinal herbs, according to a new chemical analysis of residues on wine jugs.