Babbage: Unidentified flying rock

The first interstellar visitor to the solar system arrives, turns and leaves. What can be learned from the mysterious object? Also, researchers are kitting out drones to deliver supplies to the battlefield. And if wireless charging takes off, electric vehicles could—in theory—run forever Hosted on Acast. See acast.com/privacy for more information.

Om Podcasten

Babbage is our weekly podcast on science and technology, named after Charles Babbage—a 19th-century polymath and grandfather of computing. Host Alok Jha talks to our correspondents about the innovations, discoveries and gadgetry shaping the world. Published every Wednesday.If you’re already a subscriber to The Economist, you’ll have full access to all our shows as part of your subscription.For more information about Economist Podcasts+, including how to get access, please visit our FAQs page here https://myaccount.economist.com/s/article/What-is-Economist-Podcasts