The technological arms race in Silicon Valley is soaring into the air as Amazon and Google vie to be first with deliveries using unmanned drones. The pilot project has already delivered a first aid kit, candy bars dog treats and water—in Australia. The competition for drone delivery has been super-secret, but Alexis Madrigal was given access to Google’s Project Wing, a pilot project that’s being tested in Australia. He describes it in detail in the Atlantic magazine, where he’s Deputy Editor.