Hackaday

How Accurate Is A 125 Year Old Resistance Standard?

Resistance standards are incredibly useful, but like so many precision references they require regular calibration, ...
IEEE

Coherent Detection of Weak Moving Targets in Compound-Gaussian Clutter Using Nonlinear Preprocessing System: Performance Measure and Implementation

Abstract: In this article, we focus on the design of coherent detectors in compound-Gaussian clutter using a nonlinear preprocessing system followed by the matched filter (MF). First, to evaluate the ...
IEEE

Position Estimation Using CSI with Individual Differences Removed Through Supervised Contrastive Learning

Abstract: In this paper, we propose a CSI-based position estimation system that mitigates the decrease in position estimation due to individual differences by using Supervised Contrastive Learning.
SciELO

Use of vegetable oils to improve the resistance of wood to attack by xylophagous termites

The incorporation of chemical products is essential to protect wood with low natural durability, to prevent damage and accidents (BRODA, 2020). These products extend the service life of wooden ...
Nature

Probing pollutants: how I use penguin faeces to measure contaminants in Antarctica

“In this image, I’m collecting faecal samples from Adélie penguins (Pygoscelis adeliae) on Horseshoe Island, off the Antarctic Peninsula at about 68° S. As an analytical chemist, my research focuses ...