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Gravity Batteries, Green Hydrogen, and a Thorium Reactor for China

Cars That Think

2021 was a big year for energy-related news, what with the ongoing hunt for new forms of energy storage and cleaner if not carbon-free electricity and events and research that spotlighted the weak links in our power grid. While some recent efforts call for radical new reactor designs, this report highlights an old approach with a modern spin.

Hydrogen 102
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Inkjets Are for More Than Just Printing

Cars That Think

Hewlett-Packard’s HP ThinkJet was its first desktop inkjet printer based on its thermal technology, and it was designed to connect to a personal computer for everyday printing. A new array can be designed, synthesized, and used to analyze DNA in a single day. Agilent’s inkjet-printed libraries have strands up to about 230 bases long.

Personal 129