"I wanted to create a mechanical lift device for arborists to ensure a fallen tree lands precisely where needed," said an inventor, from Henderson, Ky., "so I invented the MECHANICAL WEDGE. My design ...

The Vertical Lift Machine is the perfect, innovative, and versatile invention that accommodates this niche market and environment. Features of this machine utilize alternative forces to manipulate ...

The tallest building today has 163 floors. You’d have to climb over 3,000 steps to reach the top, while an elevator would take you there in around a minute. The humble passenger lift had a huge impact ...