Consumer & Gadgets

Entirely new way of making espresso shakes up the coffee world

Researchers at UNSW Sydney have harnessed the power of ultrasonic sound waves to make espresso-strength coffee with room-temperature water, cutting energy use by up to 75%. That morning coffee kick from a shot of espresso ...

Energy & Green Tech

Electricity could produce cement with almost no carbon footprint

As the world works to alter the trajectory of climate change, most attention focuses on reducing humanity's reliance on fossil fuels and lowering greenhouse gas emissions. Yet a major source of carbon dioxide (CO2) is cement ...

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