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Hackaday

Analog Circuitry Lets You Blow This LED Out

LED candles are neat, but they’re very suboptimal for wish-making: you can’t blow them out. Unless you take the circuit from ...

Bright quantum light emission achieved at room temperature in 2D semiconductors

A joint research team led by Professor Park Kyoung-Duck and Associate Director Suh Yung Doug of the Center for ...
Hackaday

Python Comes To The Arduino Uno Q

MicroPython is a well-known and easy-to-use way to program microcontrollers in Python. If you’re using an Arduino Uno Q, ...
Psychology Today

5 Ways Indoor Lighting Can Change Your Mood

Feeling down? Lighting your indoors with bright bluish light at the right time of day can reduce depression, increase ...
IEEE

Low-Power Wearable for PPG Sensing in No-LED and Low-Intensity LED Modes

Abstract: In this research, we introduce an innovative wearable device capable of capturing photoplethysmography (PPG) signals under two conditions: No-LED and low-intensity LED. Incorporation of both ...
PNAS

Cerebral blood flow is modulated by astrocytic cAMP elevation independently of IP3R2-mediated Ca2+ signaling in mice

Edited by Jeremy Nathans, Johns Hopkins University School of Medicine, Baltimore, MD; received October 24, 2024; accepted June 2, 2025 ...