Agasthya was a sage who is credited with inventing the dry cell battery, electrolysis, electroplating, and balloons.
This dry cell battery has actually been replicated according to its description in these texts and does indeed produce a voltage.
Agasthya’s Samhita(book) says :
संस्थाप्यमृण्मयेपात्रेताम्रपत्रंसुसंस्कृतम्।
छादयेच्छिखिग्रीवेनचार्दाभि: काष्ठापांसुभि:॥
दस्तालोष्टोनिधात्वय: पारदाच्छादितस्तत:।
संयोगाज्जायतेतेजोमित्रावरुणसंज्ञितम्॥
“Sansthapya Mrinmaya Patre
Tamrapatram Susanskritam
Chhadyechhikhigriven Chardrarbhih
Kashthpamsubhih.
Dastaloshto Nidhatavyah
Pardachhaditastah
Sanyogajjayte Tejo
Mitravarunsangyitam”
संस्था प्ये (Take ) मृन्मये (soil) पत्रे ( patra= container) “तम्रपात्र्न” ( cleaned copper plate) सुसांकरतम च्छाड्येत ( cover with ) शिखी ( Morchud = Copper sulphate)ग्रिवेनड्रारभिही कस्थाप
Which means, “Place a well-cleaned copper plate in an earthenware vessel. Cover it first by copper sulfate and then by moist sawdust.
After that, put a mercury-amalgamated zinc sheet on top of the sawdust to avoid polarization.
The contact will produce an energy known by the twin name of Mitra-Varuna.
Water will be split by this current into Pranavayu and Udanavayu.
A chain of one hundred jars is said to give a very effective force. ”
This cell gives an open circuit voltage as 1.138 volts, and short circuit current as 23 mA.That doesn’t sound like a lot.
This text describes putting around 100 of these cells in series for some serious hydrogen production!
Read more about this amazing history: http://www.sanskritimagazine.com/vedic_science/indian-chemist-discovers-secrets-agastya-samhita-1927/
Here it is 2016 and Hydrogen cars are finally available to the public!
Hydrogen vehicle technology still faces many
technical hurdles, but there's a slight chance early adopters can buy
Honda's latest model. '
The company revealed that it will start selling the Clarity Fuel Cell sedan by the end of the year for around $60,000, though it will only be available under a retail lease for "under $500."
That's the same price and terms as for Toyota's Mirai and Hyundai's Tucson Fuel Cell vehicles.
However, the pool of potential buyers will be small. The vehicles will only be offered in Los Angeles and Orange counties, the San Francisco Bay area and Sacramento.
The company revealed that it will start selling the Clarity Fuel Cell sedan by the end of the year for around $60,000, though it will only be available under a retail lease for "under $500."
That's the same price and terms as for Toyota's Mirai and Hyundai's Tucson Fuel Cell vehicles.
However, the pool of potential buyers will be small. The vehicles will only be offered in Los Angeles and Orange counties, the San Francisco Bay area and Sacramento.
However, the company has committed resources to a public-private California refueling station network called H2USA, so it will no doubt produce more cars this time around.
There are considerable pluses to the vehicles compared to EVs (and some minuses).
The car will go 300 miles before needing an H2 fill-up, and that process only takes five minutes compared to a half-hour, minimum, for a Tesla-style supercharge.
The downside is that an EV can be charged up nearly anywhere, and the power is free at many charging stations.
Honda hasn't said whether it will offer buyers hydrogen for free like Toyota and Hyundai have, but if not, the fuel will likely run $1-3 per GGE (gasoline gallon equivalent).
There are other downsides to hydrogen cars compared to EVs at the moment, mainly due to the cost (and pollution) generated in creating hydrogen, and the lack of efficiency compared to batteries.
(For a deeper dive, read about that in Engadget's hydrogen vehicle explainer.)
The best way to improve the technology is to test it in the real world, however, and that's exactly what Honda is doing with the Clarity Fuel Cell.
https://en.wikipedia.org/wiki/Hindenburg_disaster
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