goodness comes to those who vibrate
How Everyone can hear at least 30 kHz via Square Waves Amplify a 10 kHz sine wave. Switch sine to square wave. Stark difference is immediate. Sine-wave fundamental remains. Added are odd-order harmonics of fundamental, first and loudest of which is 30 kHz. The change from sine to square is accomplished by adding onto the … Read more
An examination of how power supply design affects audio circuitry and ultimately sound quality Great. I’ll conduct an in-depth investigation into how power supply design affects audio circuitry and ultimately sound quality, considering both objective performance and subjective perception. This will include foundational and recent research, and apply to all categories of audio equipment, from … Read more
Chicago’s last manually operated public elevators near their last ride The Fine Arts Building on South Michigan Avenue is a living museum where art is displayed and made behind every door on every floor. It’s home to the Studebaker Theater, which began as a showroom for the company’s horse-drawn carriages, and it’s where W.W. Denslow … Read more
Sound of One Cell Growing Milling about in nanotech last night I found this tidbit from 2001 on bibliotecapleyades.net Researchers think they can build a “nanomicrophone” based on tiny hairs — rather than a membrane — that could hear such a thing The search for a new method of detecting life on distant planets may … Read more
Capacitors vs Inductors Magnetic vs Electric fields. Capacitors apply electric fields. Inductors apply magnetic fields. The article “Capacitors vs Inductors” from soundQuality.org, published on February 16, 2025, delves into the fundamental differences between capacitors and inductors, focusing on their roles in electrical and audio engineering. Energy Storage Mechanisms Capacitors and inductors are both passive components … Read more
Electric Battery Test Comparison Revelation – Alkaline Batteries are Obsolete
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