Fitbit Sleep Data Analysis

Do you ever wonder how your sleep patterns stack up against other Fitbit users? Well, the people at Fitbit did. They gathered 2015 sleep data from over 10 million Fitbit users and compared the statistics by generation (Millennial, Gen X, … Read More

Review: Quarantine

Quarantine by Greg Egan My rating: 3 of 5 stars

3.5 out of 5 — Futuristic hard Sci-Fi with a great premise and so-so characters.

Warning: Not treadmill safe. Listening to or reading this book while on a treadmill … Read More

Raspberry Shake online!

Today, I received my Raspberry Shake (an inexpensive professional grade personal seismograph) that uses a Raspberry Pi for data collection, processing, and uploading data (if you choose to share seismic data with the world).

It took only a few minutes … Read More

Review: Kill Process

Kill Process by William Hertling My rating: 5 of 5 stars

Most excellent! My favorite Hertling book thus far.

My introduction to William Hertling’s writing was Avogadro Corp (book one of the Singularity series), a speculative fiction novel set … Read More

Review: Anomaly Flats

Anomaly Flats by Clayton Smith My rating: 5 of 5 stars

4.5 out of 5 – Imaginative, quirky, and thoroughly enjoyable. Could make a great graphic novel series.

Anomaly Flats was a wonderful diversion for a summer’s read. Far … Read More

Review: Avogadro Corp

Avogadro Corp by William Hertling My rating: 4 of 5 stars

3.5 out of 5 Pretty good overall. The technical jargon holds up, parts of the plot and the character development not as much. It was short and fast … Read More

The Team Dynamics of Big Brain Theory

Last night the finale of “The Big Brain Theory – Pure Genius” aired on the Discovery Channel with a bridge building challenge for the remaining two contestants. The program, hosted by Kal Penn, is a team-based engineering competition where the … Read More

Principles of Product Development

For over 30 years I have been developing hardware and software products to specific customer requirements. It is exciting and rewarding when you get things right and delight the customer. There are many different types of projects and technologies change, … Read More

Measuring reaction time

For a science fair project, Jeremy wanted to design an experiment to measure the effects of different types of distractions on a person’s reaction time.  In order to accurately measure the time required to respond to a stimulus, two PIC … Read More

Expression Evaluator

I discovered the beauty and elegance of expression evaluators a number of years ago when I needed to develop an easy to use report generation module for a commercial software product using flat files — yes, it was before the … Read More