From the panels on your rooftop to the giant solar farms spreading around the globe, cheaper solar tech has been boosting demand for this flavour of renewable energy.
But in the US a new 30 percent tariff on imported solar panels, imposed by the Trump administration in January, is focussing attention back on a decidedly analogue way to do more with less.
The good old mirror- or 'booster reflector' to give it its technical name!- could be poised for a bit of a renaissance, according to engineering professor Joshua Pearce.
Now that panel costs in U.S. will go up, will reflectors make a comeback? Photo: Joshua M. Pearce, CC BY-SA
