Revolutionary history of weights and measures

Wacky Web Week

Why would anyone invest 1 million euros to sculpt a perfectly round, one-kilogram sphere of silicon?

Derek Muller, creator of the Veritasium channel and its educational science segments for YouTube, packs the history of the kilogram into a video. It’s enlivened by relevantdetails of 18th-century French politics and the behavior of physical objects to explain why the world needs a perfectly round silicon object — and an accurate count of the number of atoms it contains. Play the video




Get our unique weekly Newsletter with tips and techniques, how to's and critical updates on Windows 7, Windows 8, Windows XP, Firefox, Internet Explorer, Google, etc. Join our 480,000 subscribers!

The Windows 7, Vol 3 (Excerpt)

Subscribe and get our monthly bonuses - free!

The Windows 7 Guide, Volume 3: Advanced maintenance and troubleshooting provides advanced tools for keeping Microsoft's premier operating system up and running smoothly. Get this excerpt and other 4 bonuses if you subscribe FREE now!



= Paid content

All Windows Secrets articles posted on 2013-08-15: