Self-charging pacemakers are powered by patients' heartbeats
The invention could do away with risky and expensive battery-replacement surgery.
Electrical fault at power plant turned New York’s skyline blue
An electrical arc produced light seen for miles.
Self-powered electric bandages could speed up healing
Wounds could take just a few days to heal instead of weeks.
New solar cell generates hydrogen and electricity at the same time
It's a double duty win for renewable energy.
Renault is creating France's first 'smart island'
EVs, renewable energy and a microgrid will help power Belle-Île-En-Mer.
Puerto Rico restores power in its final affected neighborhood
Some homes still have no electricity, though.
Ecobee smart thermostats now save you money during peak hours
Peak Relief lowers energy use when it's expensive.
Liquid metal battery could lower cost of storing renewable energy
It could be key to spreading the adoption of solar and wind power.