Scientists turn CO2 into jet fuel

The approach is inexpensive, uncomplicated and uses commonplace materials. It’s cheaper than processes used to turn hydrogen and water into fuel.There are numerous challenges to bringing this to aircraft. The lab method only produced a few grams of fuel — you’d clearly need much more to support even a single flight, let alone an entire…

Google told its scientists to ‘strike a positive tone’ in AI research, documents show

OAKLAND — Alphabet’s Google this year moved to tighten control over its scientists’ papers by launching a “sensitive topics” review, and in at least three cases requested authors refrain from casting its technology in a negative light, according to internal communications and interviews with researchers involved in the work.Google’s new review procedure asks that researchers…