My 5 year old gran daughter and I play a number of games including the buying and selling of several of her stuffed animals and her mothers basting brush. She has a toy cash register that we use during this play time. Also she has a great deal of interest in asking my smart phone to show her colorful, scary, big, or…

Have you seen the 3D printing that they are doing in a fluid medium? It does it very quickly. Additionally they are using this technology to build hybrid beams, layered many times with multiple materials, Perhaps even with some Metamaterials. Technology is rising.