Huff ‘n’ puff geothermal fracking: Earth batteries at 200% efficiency
Combining a pressure battery with geothermal power could unlock both cheap energy storage and shallow geothermal power
Gazprom’s Exports to Europe Turn to Year-on-Year Growth in September
Turk Stream now supplies Greece, Croatia and Hungary, plus non-EU North Macedonia, Serbia and Bosnia and Herzegovina.
Tiny energy-harvesting MilliMobile robot has no need for batteries
The four-wheeled prototype device measures just 10 mm (0.4 in) per side, and tips the scales at about 1 gram (0.04 oz)