Spiderman, Batman, the Fantastic Four, Ironman—seems like every time we go to the movies, there's some guy in a unitard saving the world with acts of unnatural physics. We realize that these are works of fantasy, so we don't get too upset when the science portrayed in them comes from some alternative universe. Nevertheless, it can be fun and instructive to point out the violations and/or conflicts with physical reality that we often encounter in film.
With that in mind, let's take a brief look at eight of our favorite superheroes (and super-villains) and see what science can add to the discussion.
Adam Weiner is the author of Don't Try This at Home! The Physics of Hollywood Movies
In the movie "DareDevil", a blind mand with ultra-powerful hearing fights evil. Here's the problem as I see it: He dodges bullets by listening to the sound of their coming, but since bullets travel faster than sound, he'd easily be shot before he ever heard anything.
"...but since bullets travel faster than sound, he'd easily be shot before he ever heard anything."
Not all bullets are supersonic. Only certain weapons have a muzzle exit velocity above the speed of sound. For example, a typical handgun 9mm Luger round with 124 grain has muzzle velocity of about 1100 ft/s; a 45 ACP with 130 grain has muzzle velocity of about 850 ft/s. Shotgun pellets are even slower. Speed of sound in dry air at room temperature at sea level is about 1130 ft/s, so unless DareDevil was being shot at point-blank range, he could theoretically "hear" the bullets. Evildoers should have used rifles on him (typical muzzle velocity of .223 Remington is 3250 ft/s).
although in the movie they (badguys) they are normally using automatics and not pistols
one thing to point out about daredevils abilities, is he seemed to use all of his senses at a heightened level. In the movie, it was important to show that he probably sensed a combination of pressure, heat, AND used supersenitive hearing. The movie wanted to leverage our familiarity with people with disabilities compensating with their other senses. The comic book seems to go a bit farther, by showing that DD has a special sense almost like a low resolution radar, that worked best with moving objects. This magical ability might not have been as well received as the more normal (but extraordinary) heightened senses.
Daredevil does not dodge bullets by listening to the sound, he uses his radar sense (which technically travel at the speed of light)
I believe that the movie still a fiction unleashing child hood fantacies and fictional thoughts of the writer. And this is true for types of movies.
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cool article :)
Very good article.
Thanks for the good information.
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That DareDevil movie was so stupid! I mean come on a blind superhero! Atleast it was better then the first hulk movie.
This new hulk movie looks much better. it's a bit more like the tv series. In the tv series Bruce Banner was named David Bruce Banner. In the comic book his name was Robert Bruce Banner.
In this new Hulk movie Banner looks a bit like Bill Bixby. Thats who played banner the the 70s-80s tv series. I whatch the reruns at 4:00 on Suntv.