Kilogram on yo-yo diet

A United States agency is calling for the abolition of the kilogram. That’s not to say the National Institute of Standards and Technology wants to get rid of the unit of measurement itself. Instead it believes it’s time to stop using the physical object (or “artifact”) that determines the precise mass that makes up a […]

Space gets a true universal dock

Computing has the USB cable. Analog audio visual equipment (in Europe at least) has the SCART lead. High definition has the HDMI cable. And now the International Space Station has its own standard plug/socket combo. Five international space agencies have agreed a standard for the docking system used when spacecrafts dock in space stations. While […]