American Association of Individual Investors

How to Use Short Interest as a Market Sentiment Indicator

Charles Rotblut leads a class in AAII's new Essential Investing Video Course. Go to https://www.aaii.com/ves for more information and to subscribe. Explains how ...
IEEE

A Novel LED Driver With Enhanced Efficiency Using a Buck–Boost Converter and DC–DC Buck Converter

Abstract: In single-phase ac/dc light-emitting diode (LED) drivers, a reduced power processing technique is currently being used to increase conversion efficiency while reducing the size and cost of ...
CNN

I’ve had the viral Shark CryoGlow LED Mask for over a year. Here’s why it’s the only one I’ll ever use

LED masks seem to be the “it” skin care device of the moment. In general, they’ve been shown to stimulate skin’s collagen and elastin production using specific wavelengths of light, which correlate to ...
circuitdigest.com

Interfacing GP2Y0D80Z0F Distance Sensor with Arduino Uno

The sensor continuously sends out infrared light and measures how much of that light is reflected. When a reflective object is within its set detection range, it returns a low signal. The Arduino ...
electronicsforu

Smart Air Quality Monitoring System using Arduino

Air pollution is a critical concern in modern living environments, particularly in enclosed spaces such as homes, offices, factories, and laboratories, where prolonged exposure to harmful gases ...
The New York Times

Students Are Skipping the Hardest Part of Growing Up

Mr. Shirky, a vice provost at New York University, has been helping faculty members and students adapt to digital tools since 2015. Back in 2023, when ChatGPT was still new, a professor friend had a ...
IEEE

Modeling Spectral LED Degradation Using an Unsupervised Machine Learning Approach

Abstract: The modeling of spectral characteristics of light-emitting diodes (LED) has been addressed in various studies. We extend the current state of knowledge by modeling the spectral ...