By Fascinating — Nov 09, 2024 This timelapse sequence shows how critical naval and aviation parts like a 900 mm diameter three-blade propeller or an aerospace propeller tank are 3D printed in stainless steel [📹 Meltio]
"We must take information, wherever it is, make our copies, and share them with the world." RIP Aaron 🙏…
Born on this day in 1934, Carl Sagan was an astronomer, cosmologist, astrophysicist, astrobiologist, author, and a passionate advocate for science. Here are some of his most celebrated words. [from
The wind-sculpted sandstone column of Wadi Al Disah (Valley of the Palms) in Tabuk (Saudi Arabia). This is actually a mushroom rock, a landform created by the action of