Sounds that are lower pitched are less studied than other types. Some say it’s a health hazard. Others have doubts. By Lourdes Medrano/Undark Published Apr 17, 2024 8:00 AM EDT This article was ...

The extremely low operational temperature of just a tenth of a degree above absolute zero (0.1 K) has been reached on the detectors of Planck’s High Frequency Instrument (HFI). This makes the HFI ...

China's history-making Chang'e-4 spacecraft touched down on the far side of the Moon last week and it opened up some exciting new avenues of scientific enquiry. While the rover goes to work examining ...

Mechanical resonance is a pervasive problem in servosystems. Most resonance problems are caused by compliance of powertransmission components. Standard servocontrol laws are structured for rigidly ...

If you're looking for low-cost approaches to frequency- or time-domain analysis, you might be able to take advantage of recent product introductions from Agilent Technologies or Tektronix. The latter ...

The Gruber Foundation Cosmology Prize, which is co-sponsored by the IAU, honours leading scientists who have made discoveries leading to fundamental advances in our understanding of the Universe. The ...

If you want to extract a signal from a huge amount of noise, a lock-in amplifier is the ideal tool. But when it comes to buying one, doing your homework first can avoid a costly mistake, advises ...

Modern vehicles include an ever-increasing amount of radio-frequency (RF) technologies to meet customer expectations for performance and features. Meeting these demands only adds to overall design ...