Improving technology is making electrolysis a viable way to store excess energy from renewable sources.
If they're out there, other advanced civilisations should be emitting waste energy like hot exhaust. And that provides a good way to spot them, argue SETI experts.
Batteries for smart watches and other wearables never last long. A new microchip design could change that.
Startup Vizera makes a projector that adds realistic-looking surfaces to actual objects, making for a new kind of shopping experience.
The best of the rest from the Physics arXiv preprint server.
A novel optical technique could overlay virtual imagery on the real world through a compact pair of glasses.
Despite the outcry over government and corporate snooping, some people allow themselves to be monitored for money or rewards.
If you share an on-line movie account with other people in your household, you probably receive some inappropriate recommendations. That may soon change.
A viral social-media campaign has brought unprecedented money to a rare disease. How might new funding help ALS research?