Pricey, yes, but seeing as how the RepRap community already has the techniques behind melting plastic down pat, it might now be too hard to build your own plastic sintering printer. If you know of ...

Scramjets, or Constant Volume Combustion (CVC) engines, use compressed air and a reduced nozzle to accelerate planes, and they're a hot technology in aviation. Problem is, you have to get them to ...

Summit Energy Inc. wants to melt plastic and turn the hydrocarbon gases it produces into heating oil and diesel fuel. Steve Sech, who lives near the industrial area, said he's not worried about ...