How wireless energy from space could power everything | Ali Hajimiri

How wireless energy from space could power ev...

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What Earth in 2125 could look like | Iseult Gillespie

Faced with the realities of current crises, it’s easy to assume our world is headed in a bleak direction. But there’s good reason to be hopeful— with developments in science and technology, a positive future is more viable than ever before. So, what if the future was awesome? Ise ...  Show more

Want to make change? Let young people tell their stories | Anshul Tewari

As a teenager, social entrepreneur Anshul Tewari didn’t see young voices represented in the conversations that mattered. His solution? A simple blog that has since transformed into Youth Ki Awaaz (Voice of the Youth): India’s largest citizen media platform, where more than 200,00 ...  Show more

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How wireless energy from space could power everything | Ali Hajimiri
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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 ...

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Nigerian internet land rights costs fall
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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

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

 

Professor Saiful Islam
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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