The 6517M Series spark plug adaptor is an offset integral spark plug with a 5-mm access hole for sensor installation. Sized to replace 14-mm spark plugs, eight combinations of performance upgrades are offered in three reaches. Performance upgrades include longer-life electrodes and anti-cold fouling features. Placed in the combustion chamber for high-accuracy measurement, the pressure sensors are installed to complete a testing sequence.
Kistler Instrument Corp., 75 John Glenn Dr., Amherst, NY 14228, FAX (716) 691-5226.
A make-your-own Star Wars Sith Lightsaber hilt is heftier and better-looking than most others out there, according to its maker, Sean Charlesworth. You can 3D print it from free source files, and there's even a hardware kit available -- not free -- so you can build one just in time for Halloween.
Highly regarded engineer and physicist Ransom Stephens speaks with Design News about his extensive science and engineering background, the serious yet funny study of neuroscience, and how one primes their brain for innovation.
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