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THE WEEK IN PHYSICS: 28 FEBRUARY–4 MARCH
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AR's Easily Serviceable "A" Series Amplifiers
This video shows the convenience to service AR's "A" Series amplifiers with the 350A400 and 2500A225B. These Class A amplifiers offer frequency ranges of 10 kHz – 225 MHz, 10 kHz – 250 MHz, and 10 kHz – 400 MHz, and power levels from 25 W to 50 kW. Please contact AR's service department before opening your amp from AR to prevent voiding the warranty. Learn more.
Developing story
Prominent Ukrainian physics institute imperiled by Russian attacks
Fortunately, the Kharkiv Institute of Physics and Technology's new nuclear research facility likely doesn't present a radiation threat.
Andrew Grant
Diamond-defect NMR monitors a surface reaction
Few other techniques can track surface chemistry in real time under ambient conditions.
Johanna L. Miller
NASA science moves toward greater sharing of data and software
Details of the policy changes need to be ironed out.
Toni Feder
Whitepaper
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FROM THE VAULT: September 1983
High‐school physics—why doesn't somebody do something?
Almost all Americans believe in the local control of public schools, but there is growing recognition that national leadership is urgently required.
Lewis M. Branscomb
National Ignition Facility details its attainment of a burning plasma
In that regime, the fusion reactions themselves are the primary source of heating in the plasma.
R. Mark Wilson
Precision motion control in tomography
This article will review the precision motion control elements used in a typical synchrotron end station and discuss critical items that designers and engineers must consider when attempting to achieve reliable ultra-high resolution tomography results. Read now.
A stellar vampire mimics a black hole
The star system thought to host the Sun's nearest black hole neighbor is actually just a binary pair at an unusual evolutionary stage.
Christine Middleton
Behind the Cover: March 2022
A futurist painting echoes the superposition of states characteristic of quantum mechanics.
Charles Day
Sensitive EQE Device Characterization
A look at performing sensitive external quantum efficiency (sEQE) characterization as a means for studying low-energy phenomena, such as charge transfer states, traps, and defects in solar cell technologies. Lock-in detection is used in sEQE to extract the small photoresponse at long wavelengths. Read now.
FROM THE MARCH MAGAZINE
A deterministic source of single photons
New quantum computing applications are now possible because of advances in atomic and solid-state physics.
Peter Lodahl, Arne Ludwig, and Richard J. Warburton
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