Science and Technology Madrid and Barcelona could be less than 2 hours apart by high-speed train: Spain invests €112 million in aerodynamic sleepers to reach 350 km/h, but vibrations, stones thrown by the tracks, and delays still challenge the country’s most strategic line. Carla Teles 04/06/2026 at 19:59
Science and Technology New Ultrasonic Knife Unveiled At CES 2026 Promises To Revolutionize The Kitchen By Using High-Frequency Vibrations To Cut Food More Easily, Even When The Blade Is Worn Out Carla Teles 11/03/2026 at 15:30
