The decentralized, open source Mastodon social network has been invaded by Gab, a pro-Nazi platform.

Gab moved to Mastodon servers recently, leading Mastodon admins and developers struggling with the question whether to ban Gab.

There shouldn’t be any struggle. Free speech includes the right – even obligation – of the owners of platforms to block speech they find hateful. That’s a particularly easy decision for Mastodon, which is not Facebook- or Twitter-scale.

Adit Robertson on The Verge: How the biggest decentralized social network is dealing with its Nazi problem

“The dead rising from the grave! Human sacrifice, dogs and cats living together, mass hysteria!”

A new technique uses space-based satellite surveillance to prevent bridge collapses, by detecting defects smaller than the thickness of a dime.

The new technique uses computer modeling and high-resolution satellite images to detect subtle shifts in a bridge’s structure that could indicate that it’s starting to fail. Some of the changes are so tiny that they could be undetectable during traditional visual inspections, the scientists say. The new technique uses computer modeling and high-resolution satellite images to detect subtle shifts in a bridge’s structure that could indicate that it’s starting to fail. Some of the changes are so tiny that they could be undetectable during traditional visual inspections, the scientists say.

When Natural Disasters Strike, Operation BBQ Swoops In With Relief — And Ribs

Operation BBQ Relief: Competitive barbecuers flock to disaster scenes to serve up delicious hot food to victims and rescuers. “I thought, who better than some guys who set up in parking lots every weekend to bring a comfort meal?” … “Barbecue is comfort food … It reminds people of good times with friends and family, and gives them hope for those good times again.” Plus, barbecue meals tend to be hearty and high in protein — good for periods of scarcity…. [many disaster survivors] haven’t had a warm meal in days.

A court in Dresden, Germany, sentenced two men to prison for copyright infringement – on Usenet Yes, Usenet is still a thing. [The Register]