Where are NIST's primary locations?

What happens to the microstructure during tempering? How does the mechanical properties of the steel change due to tempering? How do you perform tempering? What type of steel is usually tempered?

What is NOT an example of professional networking?

According to the trend in device scaling historically observed by Moore's Law, the number of transistors on a chip in 2025 should be how many times the number in 2015?

Use the graph to determine acceleration and velocity. Which segments show acceleration? What is the velocity of segment B?

I "powered up" my circuit by connecting it to the live terminals of a power supply. I then measured the resistance of a resistor in my circuit and wound up with an unexpected value.

At steady state, a power cycle having a thermal efficiency of 38% generates 100 MW of electricity while discharging energy by heat transfer to cooling water at an average temperature of 70 F.

What is the definition of a fluid?

You are ordering steel cable for a 250 foot long zip-line you are building in your back yard. The cable can be ordered in diameters with 1/16 inch increments. (1/16, 1/8, 3/16, 1/4, 5/16, 3/8, etc.

Which of the following statements is LEAST-Likely true? A) Do not attempt to unseat the beads of an inflated tire. B) Do not strike the tire or rim with a hammer. C) A hammer is sometimes necessary when removing a passenger car tire.

What is the pitch circle diameter of a 50-tooth spur gear having a circular pitch of 0.375 inch