Engineering

Building out of concrete, but without pouring concrete

EPFL researchers have built a footbridge prototype using reinforced-concrete blocks from walls of a building being renovated. The blocks were cut into individual pieces on site and assembled into a prestressed arch. This ...

Energy & Green Tech

Research points to strategies for recycling of solar panels

Researchers at the National Renewable Energy Laboratory (NREL) have conducted the first global assessment into the most promising approaches to end-of-life management for solar photovoltaic (PV) modules.

Energy & Green Tech

Understanding consumer decisions about aging solar panels

By 2050, there could be 80 million metric tons globally of solar photovoltaics (PV) reaching the end of their lifetime, with 10 million metric tons in the United States alone—or the weight of 30 Empire State Buildings.

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