When the computer or phone you’re using right now blinks its last blink and you drop it off for recycling, do you know what happens?
At the recycling center, powerful magnets will pull out steel. Spinning drums will toss aluminum into bins. Copper wires will get neatly bundled up for resale. But as the conveyor belt keeps rolling, tiny...
President Donald Trump announced a plan[1] to build a missile defense system, called the Golden Dome, on May 20, 2025. The system is intended to protect the United States from ballistic, cruise and hypersonic missiles[2], and missiles launched from space.
Trump is calling for the current budget to allocate US$25 billion to launch the...
I approach a flock of mountain chickadees feasting on pine nuts. A cacophony of sounds, coming from the many different bird species that rely on the Sierra Nevada’s diverse pine cone crop, fill the crisp mountain air.
The strong “chick-a-dee” call sticks out among the bird vocalizations. The chickadees are communicating to each other...
Air traffic controllers have been in the news a lot lately.
A spate of airplane crashes and near misses have highlighted the ongoing shortage[1] of air traffic workers, leading more Americans to question the safety of air travel[2].
The shortage, as well as aging computer systems, have also led[3] to massive flight disruptions[4] at airports...