Grafting is a horticultural technique whereby tissues of plants are joined so as to continue their growth together.…
Quantum levitation and quantum locking are a consequence of the Meissner effect and allow superconductor to glide freely over a track of magnets. [📹 fullspectrumtourjp]…
A machine to extract water from a swamp made by attaching a belt to the shaft of the tractor's engine [📹 kfotech]…
