Hostile architecture is the practice of designing public spaces with features that prevent people from sleeping or resting in them. Benches built with metal armrests, center dividers, sloped seats, or segmented sections make it physically impossible to lie down, while metal spikes and curved surfaces serve the same purpose in a less obvious way. Critics point out that these designs often go unnoticed by most people but are immediately felt by those experiencing homelessness. Cities across the wo

She hadn’t seen her mom in years… and this moment healed everything 🥹👏🏻💖❤️

Network types / computer science / networks #network #computerscience

Understanding Septal Bounce and Chiari Network in Echocardiograms

This teacher stands up for students!👏🏻👏🏻👏🏻

No more climbing near live high-voltage lines to trim a branch... Instead of sending workers up near dangerous power lines, ground crews now use a high-energy 1,000-watt fiber laser with optical zoom sights to sever thick branches from over 100 meters away. The concentrated thermal energy clears power line hazards in seconds, all without requiring a grid shutdown. It's a striking shift in utility maintenance, trading physical risk for precision optics - though it raises a real question about wil

Turtles do not usually get credit for teamwork, but a recent video is changing that. A large turtle got wedged between vertical rails, its rigid shell trapping it at the wrong angle to escape. Three smaller turtles swam over and started bumping its shell and sides. Those nudges were not random. Escape depended on rotation, not brute force, and each bump shifted the big turtle's angle by a few degrees until it lined up with the gap and pulled free. Turtles are known to notice and interact with ea