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

Subscribe to our Windows Secrets Newsletter - It's Free!

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!

Windows 8 Hacks: Tips & Tools for Unlocking the Power of Tablets and Desktops

Subscribe and get our monthly bonuses - free!

Want to hack the new Start screen and tiles for your Win8 Device, the new Lock screen, the new tile-based apps, or the automatic notification information? Yes, you can do that. How about running other operating systems inside Windows 8, running Windows 8 on a Mac, or hacking SkyDrive and social media? We'll show you how to do that as well. Get this excerpt and other 5 bonuses if you subscribe now!

= Paid content

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