19 Creative Household Inventions That Will Make Your Life Easier
The above dagger is called the Jagdkommando Integral Tri-Dagger Fixed Blade Knife. It’s salient feature is that its impressive looking try-edged blade twists, so that you don’t have to. See, it’s one thing to stab something, but if.
New technology makes decayed teeth repair themselves Image:Jaromir Chalabala/Shutterstock The technique, developed at King’s College London, uses electrical currents to trigger minerals in the tooth to repair damage.
Pen Holder This project, for 3D printers with a build area larger than 6 inches square, creates a rather striking pen holder.
