NIST shows how to make a compact frequency comb in minutes

Laser frequency combs-high-precision tools for measuring different colors of light in an ever-growing range of applications such as advanced atomic clocks, medical diagnostics and astronomy-are not only getting smaller but ...

NIST tests underscore potential hazards of green laser pointers

Using a low-cost apparatus designed to quickly and accurately measure the properties of handheld laser devices, National Institute of Standards and Technology (NIST) researchers tested 122 laser pointers and found that nearly ...

ESA's powerful new tracking station ready for service

(Phys.org)—A new satellite tracking station at Malargüe, Argentina, will be formally inaugurated on Tuesday, completing the trio of deep-space stations and confirming ESA as one of the world's most technologically advanced ...