Hoecken linkage
The Hoecken linkage is a four-bar linkage that converts rotational motion to approximate straight-line motion. It is named after Karl Hoecken (1874−1962).
- Non functional pad
- A non-functional pad is a pad in a printed circuit board that is not connected to a track on the layer it is on
- Intermediate Data Format
- Intermediate Data Format (IDF) files are used interoperate between electronic design automation (EDA) software and solid modeling mechanical computer-aided design (CAD) software
- Manson engine
- The Manson engine is a hot air engine that was first described by A. D. Manson in the March 1952 issue of Newnes Practical Mechanics-Magazines. Manson Engines can be started both ways. It has a stepped piston. The front part is acting as a displacer and
- Roberts linkage
- A Roberts linkage is a four-bar linkage which converts a rotational motion to approximate straight-line motion
- Quadruplanar inversor
- The Quadruplanar inversor of Sylvester and Kempe is a generalization of Hart's inversor. Like Hart's inversor, is a mechanism that provides a perfect straight line motion without sliding guides
- Faulhaber
- Faulhaber is a German surname. Notable people with the surname include:Gerrit Faulhaber (1912–1951), Indonesian footballer Johann Faulhaber (1580–1635), German mathematician Markus Faulhaber (1914–1945), Sturmbannführer in the Waffen SS Michael von
- Solar-powered Stirling engine
- A solar powered Stirling engine is a heat engine powered by a temperature gradient generated by the sun. Even though Stirling engines can run with a small temperature gradient, it is more efficient to use Concentrated solar power
- Gunpowder engine
- A gunpowder engine, also known as an explosion engine or Huygens' engine, is a type of internal combustion engine using gunpowder as its fuel. The concept was first explored during the 1600s, most notably by famous Dutch polymath Christiaan Huygens
- Novelty lighter
- A novelty lighter is a lighter that is shaped like another object. Novelty Lighters can have audio or visual effects, and may look like toys. They are typically used to light tobacco products
- Deer antler blood baths
- In Russia, bathing in deer antler blood is believed to improve men's health and prevent aging. Products such as creams, pills, and alcoholic drinks are also made from the antlers. There is no evidence of any healing effects of deer antlers