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...on the principle of anodic metal dissolution by electrical energy. An electrolyte medium separates the tool (cathode) from the electrically conductive metal workpiece (anode), creating an electrolytic cell. A high amperage, low voltage current is passed through the cell, selectively dissolving away the material to be removed. Produces distortionless, burr-free components

...work gap, is typically 0.01–0.25 mm Although the wheels are more expensive than those for conventional grinding, overall wheel costs are only 1/10 as much, as only 2–5% of the wheel removed by abrasion. Low wheel wear means less frequent wheel dressing, although the longer runs, between dressing, necessitate more precise wheel truing than for conventional grinding;...

...working with mammalian embryos for over 40 years, with some work in my lab specifically focusing on various methods of cloning cattle and other livestock species. In fact, one of the coauthors of the paper announcing Dolly worked in our laboratory for three years prior to going to Scotland to help create the famous clone. Dolly was an important milestone, inspiring...

...work of the aid effort. Some of the grandest assistance schemes produced the most meagre results. Everywhere you look are prefabricated huts left over from the aid effort. They have turned the town and the valley blue, an unfamiliar colour in an area where people normally build in stone and wood. A decade after the distribution of temporary shelters, these glorified tin...