Dry holes call for diamond drills without coolant
German researchers are developing drills that don’t need fluids to work

Less carbide means fewer cracks in tools
As gas-atomised steels get cleaner, small impurities are targets

Copper nanocomposites are kings of conductivity
Small particles make good contacts in the electrical and thremal fields. Sintering a path to cost-effective hardened parts. Advances in furnaces and sintering techniques have produced results