3 ms·
A second is also pretty close to the time between adult heartbeats at rest. There is some evidence that the human heart rate can quicken or slow in accordance w
by djtriptych 10y ago
A second is also pretty close to the time between adult heartbeats at rest. There is some evidence that the human heart rate can quicken or slow in accordance with rhythm in music. Wonder if that changes anyone's argument in here.
- ptaipale 10y agoVariance in heart rate is much greater than the differences we're talking about.
- alexbeloi 10y agoA 1% error in approximating a second by a heartbeat will cause an approx 4hz error in the frequency. Here's a chart of the distribution of heartrates found in random middle-aged people measured over 24hours: https://d1ieb9vw5zjdt6.cloudfront.net/content/europace/7/2/104/F1.large.jpg https://d1ieb9vw5zjdt6.cloudfront.net/content/europace/7/2/1... Source: http://europace.oxfordjournals.org/content/7/2/104 http://europace.oxfordjournals.org/content/7/2/104