What challenges arise when developing a .490 caliber impact munitions weapon?

john hayes
My name is John Hayes, I am the owner/inventor of the Hayes Less Lethal hand held, .490 caliber, impact munitions weapon (hayeslesslethal.com). I have been working hard at this project for 10 years, have 5 issued patents 4 US, and 1 Foreign. I have no Physics background but, for obvious reasons, I am becoming much more interested in the field of physics.
 
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Thread 'Introduction'

Hello everyone, I'm Cosmo. I'm an 18 years old student majoring in physics. I found this forum cause I was searching on Google if it's common for physics student to feel like they're in the wrong major in the first semester cause it feels like too much for me to learn the materials even the ones that are considered as "basic math" or "basic physics", I've initial fascination with the universe's mysteries and it disconnect with the reality of intense, foundational mathematics courses required...
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