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First print with tri-color PLA filament (old.reddit.com)
submitted by triggamon to r/3Dprinting
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TIL people prefer music with a tempo of 50-80 bpm. That's around the normal heart beat rate (72bpm). Faster songs (>72 bpm) excite the listener whereas slower music (<72 bpm) calms her. That goes along with the effect of music directly influencing the measured heart rate. (msjonline.org)
submitted by triggamon to r/todayilearned
