Physics Students Calculate How Long a Vampire Needs To Drink Your Blood
A bite to the neck and a clean getaway-that's what a vampire needs. A group of
The human body can't function during major blood loss. After 15 percent of the blood leaves the body, the heart rate changes, and blood drinking, even from the carotid artery, becomes a process of diminishing returns. The Leicester students set out to calculate how long it would take for 15 percent of the body's blood to make it out through a couple of holes in the neck.
To cut down on the variables for their analysis, the Leicester students made a few assumptions. First,
By calculating the speed at which the blood moves through the arteries, the students found that a vampire leaving two 0.5 mm puncture holes would drain 15 percent of the body's blood in 6.4 minutes. So if you're writing a vampire novel, making a hyper-realistic vampire movie, or just superstitious, take note and budget your time accordingly.