Leon Lobo, Head of the National Timing Center Programme at the National Physical Laboratory in Teddington, explains how we keep track of time, what an atomic clock is, and why accurate time keeping is important. This video is part of British Science Week, which this year is on the theme of time. RI science is for the whole family. Learn about science past, present and future with RI Family Membership. Join us today! https://www.rigb.org/join-and-support/become-ri-member | Royal Institution of Gr

37K views · 283 reactions | The best atomic clock will only be out of sync 3.5 times every 10 quintillion ticks. It could help test general relativity and hunt for gravitational waves. Read more: https://www.newscientist.com/article/2149568-the-most-precise-atomic-clock-ever-made-is-a-cube-of-quantum-gas/ | New Scientist | Facebook

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Make it nice or build it twice 🙃 ✌️ Rework is the ultimate budget and schedule k!ller but it’s still so common in construction. Whether it’s bad or no information or lack of skill/experience supervision is important. Not saying that you should watch people around the clock but we should be making sure the crews are equipped with the right info and tools. Stay calm out there. #construction #constructionlife #constructionindustry #constructionsite #constructionworker #rework #constructionmanageme