How a train switches from a 1000 mm gauge to a 1435 mm one.Did you know? 🎓

India has successfully launched Vikram-1, the country’s first privately built orbital rocket, developed by Skyroot Aerospace. before 2 days A building near the PUD logistics center by the village of Chystenke, near Simferopol in occupied Crimea, is on fire. before 3 days Ukrainian forces have begun using heavy bomber drones to carry kamikaze ground robots fitted with TM mines. before 5 days CIA Director John Ratcliffe said Russian assault troops sent to attack Ukrainian positions now have an average battlefield survival time of 20 to 30 minutes. before 6 days