28/08/2017

NASA sees a slow-moving, soaking Tropical Storm Harvey

Hurricane Harvey has weakened to Tropical Storm while still centered over southeastern Texas, but continues to generate a tremendous amount of rainfall. Satellite imagery revealed the eye had disappeared as the storm weakened.

NASA analyzes Hurricane Harvey's rainfall, sees landfall

Satellites have been providing forecasters with valuable information as Harvey intensified to a Category 4 hurricane before making landfall in southeastern Texas. NASA's GPM satellite and NOAA's GOES-East satellite provided ...

Acid zone in Chesapeake Bay identified

A research team, led by University of Delaware professor Wei-Jun Cai, has identified a zone of water that is increasing in acidity in the Chesapeake Bay.

Photosensitive perovskites change shape when exposed to light

A crystalline material that changes shape in response to light could form the heart of novel light-activated devices. Perovskite crystals have received a lot of attention for their efficiency at converting sunlight into electricity, ...

Solving AI's moving-target search problem

As we look to get from point A to point B, people increasingly have options that go beyond the typical bus or taxi. Various flavours of ride and car sharing are now available in cities worldwide, making getting around more ...

Self-driving vehicles at the microscale

(Phys.org)—In a new study, scientists have developed the microscale version of self-driving vehicles: a 5-μm spherical micromotor that autonomously navigates its way through micro-traffic along a micro-maze to reach its ...

Climate change seen as cause for mudslide in Switzerland

The effects of climate change are partially to blame for a mudslide through a southeastern village that left eight people missing after a massive chunk of rock broke off an Alpine mountainside, Switzerland's environmental ...

Learning software in classrooms earns praise, causes debate

In middle school, Junior Alvarado often struggled with multiplication and earned poor grades in math, so when he started his freshman year at Washington Leadership Academy, a charter high school in the nation's capital, he ...

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