Rob O [GOOD] http://www.instructables.com Member Feed Sun, 19 May 2013 01:22:05 PDT BLOX v1.01 Make Prince Rupert's Drops - Glass Turned Hand Grenade http://www.instructables.com/id/Make-Prince-Ruperts-Drops-Glass-Turned-Grenade/ /files/deriv/FO9/H9PT/HET1301H/FO9H9PTHET1301H.SQUARE2.jpg /files/deriv/FO9/H9PT/HET1301H/FO9H9PTHET1301H.SQUARE.jpg /files/deriv/FO9/H9PT/HET1301H/FO9H9PTHET1301H.SMALL.jpg EMHYQFLHET1301L NightHawkInLight Prince Rupert's Drops are one of the most spectacular physics demonstrations I have witnessed. They are formed by a drop of molten glass being cooled rapidly in water in such a way that stress in the core is at a tipping point that requires only a slight imbalance to explode. Even so, the stresses a...
By: NightHawkInLight

Continue Reading »]]> technology Fri, 29 Mar 2013 02:37:01 PDT Make-Prince-Ruperts-Drops-Glass-Turned-Grenade Motorized Ping Pong Ball Guns http://www.instructables.com/id/Motorized-Ping-Pong-Ball-Guns/
Motorized Ping Pong Ball Guns - More DIY How To Projects]]> /files/deriv/FZV/LNED/HCB8ERWY/FZVLNEDHCB8ERWY.SQUARE2.jpg /files/deriv/FZV/LNED/HCB8ERWY/FZVLNEDHCB8ERWY.SQUARE.jpg /files/deriv/FZV/LNED/HCB8ERWY/FZVLNEDHCB8ERWY.SMALL.jpg E24MUQEGTCP48LO stevemoseley This Instructable will teach you how to make a motorized ping pong ball gun.  These ping pong ball guns are a lot of fun to build, but more fun to shoot.  I made this as a Christmas present for my son. UV LED lights are mounted inside the gun to charge glow-in-the-dark ping pong balls for great n...
By: stevemoseley

Continue Reading »]]> play Tue, 29 Jan 2013 02:37:09 PST Motorized-Ping-Pong-Ball-Guns Scrap Armchair http://www.instructables.com/id/Scrap-Armchair/
Scrap Armchair - More DIY How To Projects]]> /files/deriv/F4W/5M6D/GU45HHAC/F4W5M6DGU45HHAC.SQUARE2.jpg /files/deriv/F4W/5M6D/GU45HHAC/F4W5M6DGU45HHAC.SQUARE.jpg /files/deriv/F4W/5M6D/GU45HHAC/F4W5M6DGU45HHAC.SMALL.jpg EPNNOCEGU4IRFFB wholman Armchairs are tough. It is awfully difficult to get the arms integrated, the structure sexy, and the ergonomics tight. Working with the nice folks over at the ReBuilding Exchange (www.rebuildingexchange.org), nestled by the banks of the Chicago River, I put together these armchairs over the last few...
By: wholman

Continue Reading »]]> workshop Wed, 26 Oct 2011 02:37:09 PDT Scrap-Armchair