Engineering

'Digital twins' can help monitor infrastructure and save us billions

Urban infrastructure—bridges, roads, railways, pipelines, power transmission towers and so on—must be inspected regularly to operate safely. Imagine if we used advanced technologies available to us, such as wireless sensors, ...

Energy & Green Tech

Technique harvests waste heat from untapped sources

Thermoelectric materials convert heat to electricity or vice versa. However, their application to harvest waste heat is limited by challenges in fabrication and materials. Finding cost-effective ways to cover large and potentially ...