ISO 4210-2:2023 – City, Trekking, Mountain & Racing Bicycles
In 1896, both road and track cycling became an Olympic sport, and after a century, mountain biking, a cross-country race over rough terrain, made its…
ISO 14644-4:2022 – Cleanroom, Design & Construction
Not all particles are the same; not all cleanrooms are the same. There are different standardized classes of cleanrooms based on the number and size…
ANSI/USEMCSC C63.27 2021: Wireless Coexistence
The need for wartime technology in World War II inspired the invention of wireless communications. Actress Hedy Lamarr and composer George Antheil invented a technological…
ANSI/HI 14.6-2022: Rotodynamic Pumps
In 250 BCE, Ancient Greeks and Romans used a device called the Archimedes screw: the first water pump, which was shaped as a giant screw…
ASME PTC 4.3-2017 – Air Heaters
Defects in air heaters can be troublesome for their performance, sparking a multitude of longstanding additional problems. For example, excessive air leakage can be responsible…
IEC 62922 Ed. 1.0 b:2016, OLED Performance Requirements
An organic light emitting diode (OLED) functions by a series of thin, light-emitting films composed of hydrocarbon chains, which allow it to produce a notably…