The Aggie Physicist
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Howdy! I'm Charles. Many ladies and gents call me "Trip." This is the ramblings of a mad man with a blue box. . . Not exactly with a blue box, but the ramblings of an aspiring astronomer/cosmologist. Nonetheless, I'm still a mad man. :)

Burn It Down by =o0oLUXo0o There’s A LOT of science involved in this.  Steel wool has much surface area and a small spark from a 9V battery is enough to oxidize the steel wool.  Thus, you can see the resulting sparks.   In my perspective… Not only the person is cool.  The person, spinning the wool around, is demonstrating centripetal force as bits of it fly off tangent to the circular path.  These bits then act as projectiles and… should know, gravity quickly brings them down along parabolic paths.   At the top/apex of the bits’ trajectory, its potential energy is converted to kinetic energy as they fall and strike the ground.  It results in splitting after impact in the ground.  The reason, by its’ elastic nature, it bounces back… but not back to its’ original height because of the loss of energy back from friction and heat…  Okay… enough ranting ;D

Burn It Down by =o0oLUXo0o

There’s A LOT of science involved in this.  Steel wool has much surface area and a small spark from a 9V battery is enough to oxidize the steel wool.  Thus, you can see the resulting sparks.  

In my perspective… Not only the person is cool.  The person, spinning the wool around, is demonstrating centripetal force as bits of it fly off tangent to the circular path.  These bits then act as projectiles and… should know, gravity quickly brings them down along parabolic paths.  

At the top/apex of the bits’ trajectory, its potential energy is converted to kinetic energy as they fall and strike the ground.  It results in splitting after impact in the ground.  The reason, by its’ elastic nature, it bounces back… but not back to its’ original height because of the loss of energy back from friction and heat… 

Okay… enough ranting ;D

— 1 year ago with 109 notes
#Photography  #Steel Wool  #Parabolic Paths  #Trajectory  #Science  #Centripetal Force  #Physics 
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  4. mary-rebecca reblogged this from experiencinghumanity and added:
    Woah. This is really cool. It would be amazing to watch this happen in person, even though it looks a little scary.
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    This is amazing scientifically, and artistically, speaking. Wow.
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