Making a human clock to help us tell time to the nearest five minutes ? @CampbellAPS @CampbellCounts

making-a-human-clock-to-help-us-tell-time-to-the-nearest-five-minutes-%f0%9f%95%b0-campbellaps-campbellcounts-httpst-cohcvtikag0y 

Making a human clock to help us tell time to the nearest five minutes ? @CampbellAPS @CampbellCounts https://t.co/HcVTIKAg0y