By Fascinating — Jan 09, 2025 Tumbleweeds are the dried remains of a flowering plant that has detached from its roots to disperse seeds. [📹 Jason Winters]
In the world's largest vacuum chamber, a bowling ball and feathers are used for a real-life demonstration of a concept Galileo first proposed over 400 years ago.
bullishbounty Office life before the invention of AutoCAD and other drafting software. Prior to the release of AutoCAD in 1982, engineering drawings were all done by hand using different grade pencils,