In this episode Ben shows how to use silicone to make reusable mold for casting concrete. This is an easy process for making a concrete copy of an existing object. I used Mold Star 30 silicone rubber ...

3D printing has made it incredibly easy to produce small runs of plastic parts, but getting rid of the 3D printed look can be tricky and time-consuming. When you need a smooth and polished finish, or ...

Air-conditioning demand in buildings is in large part driven by the cement used for their construction, which tends to absorb infrared radiation and store it as heat. A more sustainable cooling ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The Greek polymath Archimedes is said to have solved the mystery of ...