A man with knife made a bomb threat at Schiphol Airport in Amsterdam today, and was 'overpowered' and arrested by Dutch police. Departures and Arrivals in the airport's hall 3 were evacuated, but have since reopened.

Here's what happened. Read the rest

Frites, truffles and canals are awesome. Also doner kebab. Read the rest

The Smarter Bridge is a project led by Mix3d, which makes robotic 3D printers that can sinter stainless steel structures and inch their way along the surfaces as they are completed. Read the rest

Venice banned cruise ships, Mount Everest has traffic jams, and now even tourists are saying places like Amsterdam have too many tourists. It's all part of a problem dubbed overtourism. Read the rest

Gumshoe sneakers are made with rubber derived in part from gum chewed by residents of Amsterdam, made jointly with Gumdrop, whose gum recycling bins are used to collect feedstock for processes that create plastics and rubbers. Read the rest

Amsterdam's excellent American Book Center is now carrying my DIY science fiction short story collection, With a Little Help, in its inventory; they've got a print-on-demand machine that'll print and bind a copy in any of the four covers (they'll also ship within Europe and abroad). Read the rest