Nat Geo Education Blog

TECHNOLOGY

With the advent of ever-more-accurate clocks, keeping good time is becoming surprisingly complicated. (Nat Geo News)

Teachers, scroll down for a quick list of key resources in our Teachers’ Toolkit, including today’s MapMaker Interactive map—and a round-up of other interesting reads this week.

Screen Shot 2015-06-28 at 1.22.00 PM

Note: Current Event Connections is slowing down for the summer. Our column will continue to appear once or twice a week until mid-August. If you have an idea for a Current Event Connection, a recommendation for a good read, or want to share one of your MapMaker Interactive maps, let us know in the comments!

Discussion Ideas

  • Watch the short Nat Geo video above. What is a leap second?
    • Leap seconds are seconds added to official timekeepers to keep the time we use (on our watches, clocks, computers, and other devices) closely in sync with the actual rotation of the Earth.

  • Why does time…

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