gordon.dewis.ca - Random musings from Gordon


Archive for March 2015

Watching a satellite being launched

March 28, 2015 @ 14:04 By: gordon Category: Amateur radio, General, Out and about, Photography, Travelling

I used to work in the space field when I was the operations administrator in Satellite Acquisition Services at the Canada Centre for Remote Sensing in the late-1990s. While I programmed various low-Earth orbit satellites to take pictures of the Earth, I never had the opportunity to see a launch in person. On Wednesday, however, that changed. (more…)

Springing forward: Sleep deprivation, accidents, and heart attacks

March 07, 2015 @ 18:49 By: gordon Category: Astronomy, Current affairs, General

Time_vortex-red-forward.jpgIt’s that time of year, again. It’s time to change the clocks for daylight saving time.

This evening most of North America sets its clocks forward an hour in a vain attempt to save energy. I say vain attempt because there hasn’t been any sound evidence that adjusting the clocks to chase the sunshine has actually resulted in any reduction in the demand for energy.

CBC had an article this morning that talks a little bit about the history of daylight saving time, and then points out that sleep experts say that many people who make the change will feel sleep deprived and probably take two or three days to fully adapt. If you’re already sleep deprived, well, good luck! As I mentioned last year, your risk of experiencing a heart attack goes up by 10% for the first couple of days, and you’re more likely to be in an accident.