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 ...

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 ...

Associate Professor Mojtaba Abdi-Jalebi and PhD candidate Siming Huang with panels of their solar cells optimised for indoor light. An international team led by UCL (University College London) ...

Solar lights work by storing the power of the sun during the day for use at night. Because these systems are small, they don’t require much energy to work and are usually pretty cost-effective.

Icelandic artist Olafur Eliasson, whose body of work is mostly based on light installations, last week presented a small solar powered light during the World Economic Forum in Addis Ababa, Ethiopia.