Engineering

Research puts sound waves to test in making solar cells cheaper

Sound waves could play a part in making III-V solar cells more affordable for Earth-bound applications, according research led by scientists at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL). ...

Engineering

High-security identification that cannot be counterfeited

Try whispering at one end of the Echo Wall in the Temple of Heaven in Beijing. People at the far end of the curved wall will hear you from 65 meters away. This is the whispering-gallery effect. Now, researchers from Japan ...

Engineering

This self-driving boat maps underwater terrain

Researchers at The University of Texas at El Paso have constructed a fully autonomous boat that can carry out bathymetric surveys—surveys of the depth and terrain of bodies of water like oceans, rivers and lakes. The team ...

Engineering

Scientists film sound waves in a crystal

To predict how materials behave, one must first know their characteristics. Further, suppose you want to manipulate or design new materials and have them serve some technological purpose in, for example, electronic or photonic ...

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