A North Dakota meteorologist captured this video of a small fire whirl forming as he used gasoline to remove ice from his driveway. [📹 Aaron Kennedy]…
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]…
