Faro de Playa Lago, Costa da Morte, Muxia, Galicia, Spain (© Carlos Fernandez/Getty Images)

dmitriid: Edit: After this was posted, Ilya K pointed out that this is not a functionality provided by Apple. It’s a behaviour enabled by an extension, and it baheaves as well as it can given the constraints.

nikitonsky: Which window is active? Yep – the one on the right. You can tell by red traffic light

Beehives in the Muniellos Nature Reserve, Asturias province, Spain (© ABB Photo/Shutterstock)

Solar Impulse 2 flying over the pyramids in Giza, Egypt (© Jean Revillard/Solar Impulse2 via Getty Images)

It’s been a long-standing dream of front-end developers to have a way to apply CSS to an element based on what’s happening inside that element.

Källö-Knippla, an island in the archipelago of Gothenburg, Sweden (© Martin Wahlborg/Getty Images)

nikitonsky: I wonder how much machine learning is needed to figure out that I probably won’t be making 2 hour walk to get to the event.

Freshwater plants and tetra fish, Aquário Natural, Rio Baía Bonita, Mato Grosso do Sul, Brazil (© Michel Roggo/Minden Pictures)

The Great White Roller Coaster at Wildwood, New Jersey (© John Van Decker/Alamy)