83-year-old man and invent cheap 3D printing
3D printing (3D) is currently the most outstanding technology, but printer products are very expensive and uncommon to popular consumers. Hugh Lyman's invention changed this.Researching 3D printers can print things for astronauts from their own ... feces
Earlier this year, a research team was funded by NASA to find ways to turn the astronauts' waste into ... recycled food that still ensures that they are rich in protein, fat ...