How wireless energy from space could power ev...

Every time you run an AI query, a pump turns on somewhere. In Memphis, Tennessee, that pump draws from one of the purest aquifers in the world. That same water supply is already threatened by a century of industrial pollution. Community organizer Sarah Houston shares what xAI's f ...  Show more

Imagine if one day, your quiet neighborhood came alive with a steady hum… and it never went away? All throughout the United States, data centers are popping up next door and in your backyards. These buildings guzzle millions of water, cause noise pollution, and are raising homeow ...  Show more

Modern life runs on wireless technology. What if the energy powering our devices could also be transmitted without wires? Electrical engineer Ali Hajimiri explains the principles behind wireless energy transfer and shares his far-out vision for launching flexible solar panels int ...  Show more

A major problem in laying internet cables in Nigeria is the phenomenal cost of right of way charges – these are local state imposed fees to broadband providers. Ekiti, one of Nigeria’s smallest states, has cut its right of way charges by 96%. It will now cost $374 to lay a kilome ...  Show more

Caltech research scientist Austin Fikes talks about capturing solar energy in space with a satellite that would relay the power to Earth.

Not so long ago, all batteries were single use. And solar power was an emerging and expensive technology. Now, thanks to rechargeable batteries, we have mobile phones, laptops, electronic toys, cordless power tools and other portable electronic devices. And solar power is reducin ...  Show more