Don’t let loose focuser screws ruin your astrophotography setup! Learn which critical screws to inspect and tighten—especially if you own a Newtonian telescope—to keep your gear safe and performing ...

Discover the secret to building a cost-effective 2-axis stabilizer using a gyroscope from an old HDD! Achieve flawless ...

Palo Alto’s new automated license plate recognition (ALPR) system relies on 20 cameras supplied by Flock Safety, one of which is pictured here. Courtesy city of Palo Alto. Palo Alto’s newest tool for ...