DASI is an interferometric array designed to measure anisotropy in the CMB radiation on angular scales of 1.3–0.2°, corresponding to multipoles l ≈ 140–900. Arrays of telescopes operate as ...

The Event Horizon Telescope (EHT) collaboration, with the participation of the Atacama Large Millimeter/sub-millimeter Array (ALMA), has for the first time received radio waves at 0.87 millimeters.

Controlled magnetic gradients The atom chip used to create the magnet-based interferometer in the experiment. (Courtesy: Yair Margalit) An Israeli-led collaboration has used atom-chip technology to ...

A lot of what I write is about measurement, not because I'm in love with calipers, but because the cutting edge of physics is at the limit of what we can measure. That means that when you want to ...