He calls himself The Backyard Scientist, but he may actually be an evil super-villain in the making. At least that may be your thoughts after seeing the creations that he has made.

Check out the video to see the homemade freeze-ray that he made. It basically uses liquid nitrogen in a container and shoots super-chilled air and water vapor. You can see in the video how it can cool off a person or freeze a bouquet of flowers.

Then he decides to really put it to the test. It's the freeze-ray vs a homemade flamethrower. Which will come out as the ultimate weapon in the battle of hot vs cold? You'll have to watch the video to see the results.