The Download: simulating solar geoengineering, and AI-enabled accessibility

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology.

Andrew Ng’s new model lets you play around with solar geoengineering to see what would happen

AI pioneer Andrew Ng has released a simple online tool that allows anyone to tinker with the dials of a solar geoengineering model, exploring what might happen if nations attempt to counteract climate change by spraying reflective particles into the atmosphere.