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These are some real questions asked by people being interviewed for a job. They might not help you too much in your next interview, but should give you a chuckle: What is it that you people do at this company? Why aren’t you in a more interesting business? Will the company move my rock...

What I would worry about most of all is decreasing the hardness of the O1 tool steel during the brazing process. As hardened, O1 is around 63/65 Rc, at a tempering temperature of 600 deg F the hardness drops to 54/55 RC. By the time you reach a temperating temperature of 1000 deg F the...

I guess everyone has a defining moment in their life, I am not saying this was the ONLY reason I went into engineering, but it got me thinking along those lines. Being of the ‘ancient variety’ I grew up in the 50’s. One of the biggest events of the year, in a small town, was Halloween. It...

I am wondering if "the wire is some ambiguous white metal, not copper" might be the problem and not the gold contacts. Have you tried to 'tin' the wire by itself?

Remember their attention span is about 12 seconds on a good day. Keep everything moving along quickly, try quick 'oh and ahhhh' demonstrations. If it is a sunny day, try a parabolic hot dog cooker.

It could be that his boss reads these forums and "B" is no longer a 'subset' of "A"

Many years ago (40, I hate to say), a fellow I knew had a can of teflon paste (for lack of a better word). It came in a quart paint type can. The paste was a light green in color. The paste itself was very granular. He told me it would quiet any mating gears, but could only be used in a...

The keys to producing good holes, counterbores and such are sharp tools and machinging within the SFPM (Surface Feet Per Minute) range for the material and use the proper lubricant/coolant. Stainless Steel has many different types and each has its own SFPM maching range. Check the Machinery...

Any of the “10xx” series steel from 1045 and above are directly hardenable. The only added property achieved with a steel above 1045 is wear resistance. Heat treating is accomplished in the range of 1475 F followed by oil quenching which will minimize distortion more than water quenching. In...