History Facts & Stories on Instagram: "In 1939, inventor William E. Urschel created the world’s first 3 D printed building behind a small warehouse in Valparaiso, Indiana. The experimental structure was produced using a custom built mechanical system that continuously extruded layers of concrete to form walls directly on site, reducing the need for traditional formwork and manual labor. The following year he would file a series of patents for a Wall Building Machine, describing a method for auto

the Craziest Bike Invention: Magnetic Suspension! 🤯 #inventor #shorts #magnetbike

Rahul Rao on Instagram: "In 1899, Nikola Tesla sat beneath 12 million volts of raw electricity, calmly reading a book. ⚡️📖 ​This moment remains the perfect example that a creator never fears his own creation. When you understand the forces you are dealing with, fear is replaced by mastery. ​#nikolatesla #tesla #genius #history #science #electricity #mindsetmatters #motivationmonday #1899 #physics #creator #visionary #highvoltage #engineering #oldphotos"