Image retrieved from: http://www.jenx67.com/2014/05/stem-steam-theres-one-kind-smart.html
Q-Matrix picture, Retrieved from:
https://www.google.co.nz/searchq=q+matrix&espv=2&biw=1280&bih=567&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjpquFtrXOAhWIm5QKHUFUBx8QsAQIGQ#imgrc=ZqmcBjUCLuvgRM%3A
https://www.google.co.nz/searchq=q+matrix&espv=2&biw=1280&bih=567&tbm=isch&tbo=u&source=univ&sa=X&ved=0ahUKEwjpquFtrXOAhWIm5QKHUFUBx8QsAQIGQ#imgrc=ZqmcBjUCLuvgRM%3A