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Tech Start-Ups Try to Sell a Cautious Pentagon on A.I.

Shield AI, a tech start-up, already has a drone run by artificial intelligence being used by the Israeli military. But persuading the Pentagon to embrace the technology remains a big challenge.

By Eric Lipton and Erin Schaff

Design Museum (London) National Museum of American History Skateboarding vis-photo Wood and Wood Products

Artistry on Four Wheels

The first skateboards were cannibalized from scooters and surfboards. Now, their elevated style is on display in a Design Museum exhibition in London.

By Kristoffer Paulsen for The New York Times

Brennan, Patrick County Kilkenny (Ireland) Handicrafts Knives Steel and Iron vis-photo

An Irish Artisan Finds Joy in Forging Knives

Patrick Brennan describes the process of making Damascus steel as ‘magical.’

By Karen Cox for The New York Times

Fish and Other Marine Life Handicrafts Jewels and Jewelry Metals and Minerals Native Americans Navajo Indians Silver vis-photo

From the Sea and Desert to Silver Creations

Native American artisans create molds from cuttlebone and tufa stone to cast metal jewelry.

By Adria Malcolm for The New York Times