Monthly Archives: June 2019

How to tell time using GPS, and the recent Collins glitch

Introduction Last week on Sunday 9 June, hundreds of airplanes experienced a failure mode with some variants of the Collins Aerospace GPS-4000S sensor, grounding many business jets and even causing some delays among regional airlines. Following is the initial description … Continue reading

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A potential exploit of a Mountain Dew promotion

Introduction This past Monday marked the start of a 10-week promotion where you can buy bottles of Mountain Dew, each with a label showing one of the 50 United States. Collect all 50 state labels, and win $100 (in the … Continue reading

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