Once you have made the decision to have heart valve replacement surgery, you, along with your surgeon, will need to decide what type of replacement valve is best for you. There are several types of ...

The mojo must flow, after all. That seems to be what’s going on with this beautiful split-flap clock build by [Erich Styger]. It’s part of a much larger effort which will eventually see 64 ...

The heart is a muscular organ roughly the size of your fist. As the heart muscle contracts, it propels the blood out into the vascular system. The heart’s chambers and valves are arranged to direct ...

The mojo must flow, after all. That seems to be what’s going on with this beautiful split-flap clock build by [Erich Styger]. It’s part of a much larger effort which will eventually see 64 ...

hunting ducks in Italy that included one rare bird. Local pols have even demanded an inquiry into the bird flap, and they’ve got their knives out, the Daily Mail reported. “Don and his group ...

A narrow ridge of metal used for reinforcement on a flange of a part. The dart is formed into the edge of the flange and the part. See also bead and rib. If you have any comments or questions about ...

A hem is a flange that has been bent more than 180 degrees. The rope hem is used for attachment to other sheet metal parts. It is used for materials with insufficient ductility to form the open hem.