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Africa’s Electricity-Access Problem Is Worse Than You Think

Cars That Think

Both are easy to define—a population’s share connected to the national grid or to a local source of electricity, and the ability to read and write—but such definitions do not make it possible to get a truly informed verdict. We measure access to electricity no better than we do the rate of literacy. What does 50 kWh/year deliver?

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The Top 10 Semiconductor Stories of 2023

Cars That Think

Since the IC was invented, all of the metal that connects transistors was formed above the silicon surface. The Practical Power of Fusing Photons Chad Hagen Silicon solar cells are relatively cheap and plentiful, but they miss out on a lot of energy in sunlight. Too bad rhenium is one of the rarest elements on Earth.

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Falling Domestic Fares and an A.I. Arms Race: What Travelers Can Expect in 2024

Baua Electric

is like a teenage intern,” said Chad Burt, co-owner of the travel adviser network Outside Agents , “better, smarter, faster than you, but you need to lead them.” For example, it could improve automatic rebooking onto new flights when customers miss connections or weather snarls runways. The expanding use of A.I. On the ground, A.I.

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