Will Cogley on MSN

The Arduino single propeller drone project continues

Part 4 of the Arduino single propeller drone build dives deeper into the design, electronics, and testing process. Follow the ...
Hackaday

Get Your ESP32 Sunny Side Up With This Solar Dev Board

There are a lot of ESP32-based development boards out there– and why not? It’s a versatile chip that can be used in all sorts ...
C&EN

Development of a Low-Cost and Versatile Gas Chromatography System for Teaching Analytical Chemistry

This study presents a low-cost Arduino-based gas chromatography system that is suitable for teaching analytical chemistry in an undergraduate laboratory. The gas chromatography system is built with ...
eLife

Transient inhibition and long-term facilitation of locomotion by phasic optogenetic activation of serotonin neurons

Serotonin (5-HT) is associated with mood and motivation but the function of endogenous 5-HT remains controversial. Here, we studied the impact of phasic optogenetic activation of 5-HT neurons in mice ...
C&EN

User-Friendly 3D Printed Colorimeter Models for Student Exploration of Instrument Design and Performance

A user-friendly set of computer-aided design (CAD) models and stereolithography (STL) files is reported for the production of simple and inexpensive 3D printed colorimeters. The designs shared here ...
Wilson Center

Ghost Wars: The Secret History of the CIA, Afghanistan, and Bin Laden, from the Soviet Invasion to September 10, 2001

Steve Coll described his book as a "narrative of the history of the antecedents of September 11 as they were located in Afghanistan beginning in 1979 and ending on Sept 10, 2001." According to Coll, ...