A New Generation of Nuclear Reactors Could Hold the Key to a Green Future

On a conference-room whiteboard in the heart of Silicon Valley, Jacob DeWitte sketches his startup’s first product. In red marker, it looks like a beer can in a Koozie, stuck with a crazy straw. In real life, it will be about the size of a hot tub, and made from an array of exotic materials, like zirconium and uranium. Under carefully controlled conditions, they will interact to produce heat, which in turn will make electricity—1.5 megawatts’ worth, enough to power a neighborhood or a factory. DeWitte’s little power plant will run for a decade without refueling and, amazingly, will emit no carbon. ”It’s a metallic thermal battery,” he says, coyly. But more often DeWitte calls it by another name: a nuclear reactor. [time-brightcove not-tgx=”true”] Fission isn’t for the faint of heart. Building a working reactor—even a very small one—requires precise and painstaking efforts of both engineering and paper pushing. Regulations are understandably exhaustive. Fuel is hard to come by—they don’t sell uranium at the Gas-N-Sip. But DeWitte plans to flip the switch on his first reactor around 2023, a mere decade after co-founding his company, Oklo. After that, they want to do for neighborhood nukes what Tesla has done for electric cars: use a niche and expensive first version as a stepping stone toward cheaper, bigger, higher-volume products. In Oklo’s case, that means starting with a “microre...
Source: TIME: Science - Category: Science Authors: Tags: Uncategorized biztech2030 climate change Source Type: news