ADVERTISE AT BOING BOING!
Cory Doctorow at 5:50 am Thu, Mar 28, 2013
This is why innovations such as the cat ‘o nine tails and the improvised use of the belaying pin are so important to nautical history…
Qualifier: High end professional racing is hard work. All the sailing I do is in light-ish winds and incredibly relaxing, often with a (single) beer.
Even ocean crossings, when done in the right season, are not labour intensive.
How does heart rate (is this the same as pulse?) show calories burnt?
Heart rate plus height, weight, build, and age can give a very good picture of calories burned
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