In your home, you probably have a handful of gadgets that rely on batteries: remotes, smoke detectors, wireless keyboards. But instead of having to replace those batteries again and again, those ...

Perovskite solar cells have gained a lot of attention in research circles recently owing to significant and relatively fast leaps in its efficiency, but the toxic lead they contain is something ...

Conventional solar cells are just that: photovoltaic devices which, by their physics, extract and transform energy from the sun. Their sensitivity and efficiency are matched to the optical-energy ...

From Wi-Fi-connected home security systems to smart toilets, the so-called Internet of Things brings personalization and convenience to devices that help run homes. But with that comes tangled ...

Solar power is an increasingly mainstream technology, and you can now get solar chargers for your phone, solar-powered clothes, and rollable solar panels. But most of us spend most of our time indoors ...

When the sun goes down over large swathes of the developing world, the 1.3 billion people currently living without access to an electricity connection are plunged into darkness. According to figures ...

In a future where most things in our everyday life are connected through the internet, devices and sensors will need to run without wires or batteries. In a new article in Chemical Science, ...

On a continent where more than half the population lives off-the-grid, many African villagers can neither afford nor acquire simple solar lamps, relying instead on dangerous kerosene products to light ...

What's the point of finding savvy ways to incorporate art in your yard if the gorgeous pieces aren't visible once the sun goes down? The good news is there are multiple cost-effective ways to ...