Security

Data class-specific image encryption using optical diffraction

Optical computing has been making strides in recent years, with its potential advantages in speed, energy efficiency, and scalability. Among various photonic devices, diffractive deep neural networks (D2NNs) have gained growing ...

Energy & Green Tech

German town bids farewell to nuclear, eyes hydrogen future

For 35 years, the Emsland nuclear power plant in northwestern Germany has reliably provided millions of homes with electricity and many with well-paid jobs in what was once an agricultural backwater.

Energy & Green Tech

Researchers claim new world record for tandem solar cell efficiency

Crystalline silicon solar cells dominate the global photovoltaic market with module efficiencies of around 20-22%. However, the field of solar energy is wanting for innovative materials and approaches that yield even higher ...

Energy & Green Tech

Gentle method allows for eco-friendly recycling of solar cells

By using a new method, precious metals can be efficiently recovered from thin-film solar cells. This is shown by new research from Chalmers University of Technology, Sweden. The method is also more environmentally friendly ...

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