Energy & Green Tech

Holograms increase solar energy yield

The energy available from sunlight is 10,000 times more than what is needed to supply the world's energy demands. Sunlight has two main properties that are useful in the design of renewable energy systems. The first is the ...

Machine learning & AI

Optical character recognition for graffiti

Researchers in China have recognised that optical character recognition (OCR) has matured and can identify and extract information from documents that use standard writing styles. However, the world over people have very ...