Con Hathy printed a stubby PETG rocket named Spark, loaded an Estes B4, and sent it up a launch rod. Jolly Logic Altimeter 2 data put the flight at 81 feet, 48 mph, and 6.4 G. He then wanted the same motor to do more work by firing it from a closed tube, the same […]
Arquivos de Tag: spark
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Possible Iranian cyberattacks on water facilities spark safety fears – CBS News Watch CBS News Cyberattacks on water and wastewater facilities in at least 12 states that are possibly linked to Iran are causing concerns about the safety of drinking water. Nicole Sganga has more. Possible Iranian cyberattacks on water facilities spark safety fears #Iranian […]