The 2021 Rolex Datejust 36’s unique dial pattern is etched into the surface using femtosecond laser technology.
Aircraft
A Drone Tried to Disrupt the Power Grid. It Won’t Be the Last
An attack attempt in 2020 proves the UAS threat is real—and not enough is being done to stop it.
Microsoft’s Azure IoT platform helps make farming greener as well as smarter
Precision agriculture brings sensors, AI, and farming together to deliver better crops with lower environmental impact. Now it’s also helping to track carbon.
2034, Part V: Sailing Into Darkness
“Somewhere in that black hole was the Chinese fleet. She would be expected to find and destroy it.”
How Planes Keep Flying After an Engine Catches Fire
A Boeing 777 shed huge chunks of metal over a Denver suburb over the weekend—but wasn’t in danger of going down itself.
How Astrophotographers Shoot (Very) Long Exposures
If you’ve viewed deep-sky astrophotos (not landscape astrophotos), you may have noticed that extremely long exposures (not counting mosaics) are used. In extreme cases, exposures may run over 12 hours. Unless you have a space telescope, it should be obvious that multiple exposures have been used.
