Liquid Sunshine

The ancient, arid landscapes of Australia are fertile ground for new growth, says Douglas MacFarlane, a chemist at Monash University in suburban Melbourne: vast forests of windmills and solar panels. More sunlight per square meter strikes the country than just about any other, and powerful winds buffet its south and west coasts. All told, Australia boasts a renewable energy potential of 25,000 gigawatts, one of … Continue reading Liquid Sunshine

Lakes on Mars dried up 3.5 billion years ago: Study

Lakes on Mars dried up 3.5 billion years ago: Study Scientists have confirmed that Mars may have had water till 3.5 billion years ago, when lakes were estimated to have dried up. By: IANS | New York | Updated: April 24, 2018   The discovery of cracks on the surface of Mars by NASA’s Curiosity rover in early 2017 are evidence of lakes that likely dried up 3.5 billion … Continue reading Lakes on Mars dried up 3.5 billion years ago: Study

Solar cells that work in low light could charge devices indoors

Solar cells that work in low light could charge devices indoors By Robert F. Service Apr. 23, 2018   Imagine never having to charge your phone, e-reader, or tablet again. Researchers report that they have created solar cells that work at a record efficiency for making electricity from the low-intensity diffuse light that is present inside buildings and outside on cloudy days. The solar cells could one … Continue reading Solar cells that work in low light could charge devices indoors

Earth’s lakes are warming faster than its air

Earth’s lakes are warming faster than its air By Eli Kintisch Dec. 16, 2015 ,   SAN FRANCISCO, CALIFORNIA—The world’s lakes are warming faster than both the oceans and the air around them, a global survey of hundreds of lakes shows. The rapid temperature rise could cause widespread damage to lake ecosystems, say scientists who presented the findings today at the American Geophysical Union meeting here. The … Continue reading Earth’s lakes are warming faster than its air

The technology that gave Stephen Hawking a voice

The technology that gave Stephen Hawking a voice   Stephen Hawking was one of the most prominent people in history to use a high-tech communication aid known as augmentative and alternative communication (AAC).   His death comes in the year of the 70th Anniversary of the Declaration of Human Rights. Over the course of his adult life, Hawking came to represent the epitome of what effective communication with … Continue reading The technology that gave Stephen Hawking a voice