Engineering

Metal alloys defy the deep freeze, staying tough at -253°C

Scientists have discovered a class of metal that can unexpectedly resist extreme cold using an unusual mechanism. Normally such temperatures would make similar materials brittle and vulnerable to breaking. The findings, published ...

Energy & Green Tech

Engineers adapt laser physics trick to deliver heat on demand

When a process needs a burst of heat, a steady supply may not be enough. Storing thermal energy and delivering it quickly are challenges for applications such as sterilization, cleaning or starting up distillation systems. ...

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