Cold heading machines form a metal blank into shaped parts by using ... In addition to upsetting and extrusion, cold heading is often performed along with other cold forming operations, such as: The ...

What do you do when you find some friends have bought a vacuum forming machine? Make novelty chocolates and ice cubes, of course! This was my response when I had the opportunity to play with a ...

Particular ice-nucleating proteins produced by certain bacteria have the ability to control the freezing point of water—so efficiently that no other known material can compete. An ...