In May 2007, this column described the only known workable fusion technology suited for electric power generation, championed by Dr. Robert Bussard (who died only five months after that article appeared).
Since temperature records only go back to the invention of Fahrenheit’s thermometer (1724) and globe-wide averages are only avail-able for the past 150 years, earlier temperatures must be inferred from various types of geologic data.
The heat treatment of cast aluminium alloys is carried out to increase their strength and hardness and to change their physical, mechanical and metallurgical properties. Let’s learn more.
The times appear to be changing as far as the economy is concerned. Some economists look to metals as a bellwether of things to come. What are metals saying about the upcoming year economically?
