Just like the microscopic NERF gun, this palm-sized hydraulic jack is more for show rather than practicality. It’s touted as the world’s smallest hydraulic jack and we don’t doubt the claim at all, especially since the tiny machine was able to lift a stack of Pepsi soda cans.
Hydraulic jacks typically work by compressing hydraulic fluid into the cylinder of the jack via a pump plunger. When this pump plunger is pulled back, the fluid is drawn from the reservoir into the pump chamber, enabling the hydraulic fluid to be pushed back into the cylinder when the plunger moves forward. Scientifically speaking, this hydraulic jack, along with all of the others, work on Pascal’s law that the pressure in closed container is the same at all points.
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