FCC approves Starlink plan for cellular phone service, with some limits

Starlink yesterday obtained federal approval to provide service to cell phones, with some limits. The Federal Communications Commission issued an order that partially grants SpaceX’s application while imposing conditions and deferring a decision on some aspects of the application. Starlink…

Getting a drone to fly like a pigeon

Most airplanes in the world have vertical tails or rudders to prevent Dutch roll instabilities, a combination of yawing and sideways motions with rolling that looks a bit like the movements of a skater. Unfortunately, a vertical tail adds weight…

Player 456 is back for revenge in Squid Game S2 trailer

Lee Jung-Jae returns as Player 456 in the second season of Squid Game. The 2021 Korean series Squid Game was a massive hit for Netflix, racking up 1.65 billion viewing hours in its first four weeks and snagging 14 Emmy…

Quick bursts of stair climbing enhance energy and mental performance

An experimental study recently found that brief bouts of stair climbing improved cognitive switching performance and made individuals who engaged in this activity feel more energetic and happier. Participants who climbed stairs more intensively tended to have faster responses on…

Licking this “lollipop” will let you taste virtual flavors

Demonstrating lollipop user interface to simulate taste in virtual and augmented reality environments. Credit: Lu et al, 2024/PNAS Demonstrating lollipop user interface to simulate taste in virtual and augmented reality environments. Credit: Lu et al, 2024/PNAS Virtual reality (VR) technology…

Hangxiety 101: the brain chemistry behind post-drinking dread

You had a great night out, but the next morning, anxiety hits: your heart races, and you replay every conversation from the night before in your head. This feeling, known as hangover anxiety or “hangxiety”, affects around 22% of social…