doors

How These Magical, Gravity-Defying Doors Actually Work

How These Magical, Gravity-Defying Doors Actually Work

Describing the sculptures of Austrian designer Klemens Torggler as “doors” feels like an insult. These aren’t doors — they’re magical pieces of engineering, half kinetic sculpture and half magic trick, that you happen to walk through. So, how do they work?

Every House Should Have A Secret Hidden Exterior Door

Every House Should Have A Secret Hidden Exterior Door

There’s something about secret doors that makes my spine tingle. The excitement! The mystery! But most secret doors are on the inside of a house — pull that book to reveal a hidden chamber! push that wall through! — this one, amazingly, is on the outside. It’s so good you…

How New York Will Stop The Subway From Flooding Next Time

How New York Will Stop The Subway From Flooding Next Time

New York knew for a long time that a big storm could flood and collapse the subway system, which is exactly what happened with Sandy. Yet city officials did nothing about it. But now, after all the suffering, we’ll finally be prepared.