Print black friday deals for wireless bluetooth earbuds . Glue them with a glue stick to his door . Repeat until he buys some . <| sep |> Ceramics aren ' t elements , they ' re mixtures of chemical compounds composed of a number of different elements . Their configuration makes it hard for thermal motion to break the structure apart . Also , powder metallurgy is cool . You take a metal powder like Tungsten , and under heat and pressure but not enough heat to actually melt the metal , the powder is baked . What happens is the small individual shavings of metal fuse together due to the heat and pressure in a process analogous to cold welding , where the crystals snap together into a single unit . The results tend not to be as strong as cast pieces , but it ' s way easier to do , and much more cost effective . A lot of machining tools made of Tungsten Carbide or Cobalt are made in this way .