Kyle Maxey over at Engineering.com writes:
As described in a paper published in Nature, the JILA strontium lattice clock is some 50% more precise than the previous record holder, the NIST quantum logic clock. Engineered by the Jun Ye Group at the University of Colorado, Boulder, the strontium clock uses only a few thousand atoms of the element to help keep time.
Packed into a lattice of 100 pancake shaped traps, the JILA clock’s strontium atoms are bathed in an extremely stable red laser light, exciting them to jump between energy levels. These jumps, which occur some 430 trillion times per second, represent the quantum ticks of this hyper accurate device and result in the timepiece’s incredible performance.
Have an amazing project to share? Join the SHOW-AND-TELL every Wednesday night at 7:30pm ET on Google+ Hangouts.
Join us every Wednesday night at 8pm ET for Ask an Engineer!
Learn resistor values with Mho’s Resistance or get the best electronics calculator for engineers “Circuit Playground” – Adafruit’s Apps!
Maker Business — Kickstarter’s “12 Tips on Shipping Rewards”
Wearables — Diffuse the glow
Electronics — Check out this shorthand shortcut
Biohacking — Testing for Fat Burning at the Colorado 200
No comments yet.
Sorry, the comment form is closed at this time.