⏱️ Scientists Just Measured the Shortest Unit of Time Ever — a Zeptosecond. ⚡ In a record-breaking experiment, physicists have captured the unimaginable: a zeptosecond — one trillionth of a billionth of a second. 🧠💥 Using ultrafast lasers and advanced spectroscopy, scientists watched electrons move inside atoms — something that once seemed impossible. For the first time, humanity has peeked into the subatomic heartbeat of the universe. Understanding time at this scale could revolutionize nanot