The kind of machine involved is a «wormhole» through space - time, invented by Kip Thorne and colleagues at the California Institute of Technology in the late 1980s. (newscientist.com)
Proteasomes are cytosolic molecular machines involved in the degradation of misfolded and aggregated proteins. (science.sciencemag.org)
The majority of chest press machines involve the user to be seated and pressing away with (directlyfitness.com)