Ruthenium spark plugs are designed to last longer than iridium plugs while burning more fuel/air mixture. However, they also ...
Iridium is considered to be a rare, precious metal which is brittle and hard along with a low ductility, which makes it a difficult material to work. In appearance, iridium is a lustrous, silvery ...
Many readers will recall from high-school physics that one of the metric system’s references for the standardized length of a meter was a rod of platinum-iridium alloy. Those two metals provide a ...
Fashion is more that just clothing. It can represent an ideal and a state of mind. It can speak to the world in a way that words can’t. It is about more than fabric. It can be a lifestyle. We recently ...
THE Warden of the Standards has, in his valuable annual reports, described the steps which have been taken to secure new International Metric Standards, and Mr. Chisholm has also given abundant ...
Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...