Study provides experimental evidence of high harmonic generation producing quantum light
High harmonic generation (HHG) is a highly non-linear phenomenon where a system (for example, an atom) absorbs many photons ...
Electronic Design3h
Modeling on Mondays: Nonlinear SPICE Models of Vacuum-Tube Triodes (Part 3)
Recognizing the nonlinear behavior of the 12AX7 vacuum tube, used in audio and old op-amp applications, Dr. Dyer compares various models for fit to real-world device data.
Krone4h
Now “blue angels” in Tyrol get more money
They are available around the clock, 365 days a year, to help in an emergency: The rescue organizations in Tyrol. They are ...
Astronomers pinpoint the origin of mysterious repeating radio bursts from space
Slowly repeating bursts of intense radio waves from space have puzzled astronomers since they were discovered in 2022.
Flying6h
Chart Wise: Kitchener/Waterloo, Ontario ILS Rwy 26
Kitchener/Waterloo, Ontario, airport allows pilots to avoid some of the busier airspace associated with Toronto.
Reader's Digest1d
10 Common Hand Gestures That Are Rude in Other Countries
“This is a great example of how hand gestures can have radically different meanings cross-culturally,” says Goss. Indeed, while flashing the middle finger is considered by most people around ...
Krone7d
Autoimmune diseases are becoming increasingly common
More and more people are suffering chronically from autoimmune diseases. In Germany, their frequency has increased by 22% ...
The Financial Times16d
Liberals speak a different language
Simply sign up to the Life & Arts myFT Digest -- delivered directly to your inbox. I was living in Washington four winters ago when Donald Trump made way, eventually, for Joe Biden. Something ...