Matrix adds a solar cell to its battery-free smartwatch
The company claims it can do GPS and optical heart-rate tracking without a battery.
ICYMI: A soft robot sleeve to keep your heart going
No Temple of Doom doctoring required.
Solar beads can make some very cool lamps and flashlights
Here's what solar power may look like in the near future.
Solar cell generates power from raindrops
Solar power's nemesis might become its friend.
Moth eyes inspire solar cells that work indoors
Nature-like graphene cells could scoop up energy from devices in your home.
Nanowires help produce hydrogen fuel using sunlight
These developmental nanowires can make hydrogen fuel from water using sunlight
Stacking solar cells leads to more efficient energy collection, lower bills
Thanks to the efforts of a North Carolina-based company, solar panels are about to get a lot more...
Solar cells cool themselves to produce more power
Solar power cells need to stay relatively cool for the sake of both efficiency and longevity, but...
Heat-sensitive solar cell could lead to much more on-demand energy
It's tough to build solar cells that capture both heat and light -- most of these multi-talented d...