How does it work? | hydraulic Elevator
In the last issue we told you about how to operate the lift with an electric drive.
How does it work? | Lift electric
The First mention of the elevators were written by the Roman architect Vitruvius, who refers to Archimedes, who built a lifting device in the year 236 BC.
How does it work? | Metal detectors
A metal Detector is an electric device, which allows to detect metal objects in neutral or low-conductive medium due to their conductivity.
Scientists have managed to decipher the beginning of the mysterious Voynich manuscript
The Mysterious Voynich Manuscript, created by an unknown author, presumably in the first half of the XV century vexed scientists for many years.