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Category: futurism – Page 961
Using the Earth as a Battery
Circa 2019
In 1841, Alexander Bain confirmed the capacity of moist dirt in the generating of electricity. An Earth Battery is a pair of electrodes, consisting of two dissimilar metals, using moist earth as an electrolyte. To make the battery, Bain buried plates of zinc (anode) and copper (cathode) in the ground about a yard apart. It produced an output voltage of approximately 1 volt.
When you place a zinc anode and a copper cathode in a container of wet mud, the two metals start reacting, because zinc loses electrons easier than copper and because the mud contains ions. By wetting the dirt, it turns into a true electrolyte solution. Therefore, the electrodes start exchanging electrons, just like an ordinary battery does.
The flying car is here – and it could change the world
Article from BBC. It looks like flying cars are now becoming more prevalent.
Flying cars may seem futuristic – but from commercial jetpacks to personal air taxis, they are already here. Here’s how they could transform the way we commute, work and live.
East African Rift System is slowly breaking away, with Madagascar splitting into pieces
The African continent is slowly separating into several large and small tectonic blocks along the diverging East African Rift System, continuing to Madagascar—the long island just off the coast of Southeast Africa—that itself will also break apart into smaller islands.
These developments will redefine Africa and the Indian Ocean. The finding comes in a new study by D. Sarah Stamps of the Department of Geosciences for the journal Geology. The breakup is a continuation of the shattering of the supercontinent Pangea some 200 million years ago.
Rest assured, though, this isn’t happening anytime soon.
EyeQue VisionCheck, World’s 1st Automated Eye Test
Circa 2018
They say, “We’re putting accurate vision tests directly into the hands of people around the world. Our patented technology makes self-administered eye tests available to billions of people– many of whom may not have had the ability to test their eyes and correct their vision without access to low cost, convenient solutions.”
EyeQue VisionCheck is a refractometer that measures your refractive error, i.e. your nearsightedness, farsightedness, and astigmatism.
You will get your results in the same format as your prescription. Moreover, the results include your estimated near-vision add (NV ADD+), required to purchase a reading or progressive glasses.
