Functions are one of the most fundamental concepts in mathematics, forming the foundation for topics in algebra, calculus and many other areas. A solid understanding of the basics of functions, ...

From late 2012 to the present I have been writing backends (server-side code) for web applications. This document summarizes many aspects of how I write these pieces of code. I'm writing this lore ...

Abstract: The motor imagery electroencephalography (MI-EEG) reflects the subjective motor intention, which has received increasing attention in rehabilitation. How to extract the features of MI-EEG ...

Abstract: Respiratory is known to be a confounding factor of Heart Rate Variability (HRV) analysis. This article introduces a Breath-to-Breath Interval (BBI) spectral computation to investigate the ...

MSON is a plain-text, human and machine readable, description format for describing data structures in common markup formats such as JSON, XML or YAML. The aim of this description format is to ...

At 18, Katie Stubblefield lost her face. At 21, she became the youngest person in the U.S. to undergo the still experimental surgery. Follow her incredible story. Sixteen hours into a transplant ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...