Skynet smiles - AI and balloons

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From The Beeb by way of Bayou Renaissance Man:

How Google's hot air balloon surprised its creators
The gaggle of Google employees peered at their computer screens in bewilderment. They had spent many months honing an algorithm designed to steer an unmanned hot air balloon all the way from Puerto Rico to Peru. But something was wrong. The balloon, controlled by its machine mind, kept veering off course.

Salvatore Candido of Google's now-defunct Project Loon venture, which aimed to bring internet access to remote areas via the balloons, couldn't explain the craft’s trajectory. His colleagues manually took control of the system and put it back on track.

It was only later that they realised what was happening. Unexpectedly, the artificial intelligence (AI) on board the balloon had learned to recreate an ancient sailing technique first developed by humans centuries, if not thousands of years, ago. "Tacking" involves steering a vessel into the wind and then angling outward again so that progress in a zig-zag, roughly in the desired direction, can still be made.

Under unfavourable weather conditions, the self-flying balloons had learned to tack all by themselves. The fact they had done this, unprompted, surprised everyone, not least the researchers working on the project.

"We quickly realised we'd been outsmarted when the first balloon allowed to fully execute this technique set a flight time record from Puerto Rico to Peru," wrote Candido in a blog post about the project. "I had never simultaneously felt smarter and dumber at the same time."

I love that quote: "never simultaneously felt smarter and dumber". AI is a very fun ride and things are now getting really good. More stories at the Beeb - some fun reading.

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This page contains a single entry by DaveH published on February 26, 2021 3:35 PM.

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