batteries

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Design Science

This Portable Salt-Powered Lamp Stays Illuminated for 8 Hours on a Glass of Seawater

This Portable Salt-Powered Lamp Stays Illuminated for 8 Hours on a Glass of Seawater

July 27, 2015

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Johnny Strategy

First the sea gave birth to life. Now, thanks to a trio of Philippine-based inventors, it is giving birth to light as well. Led by engineer Lipa Aisa Mijena, the team has developed a lamp that’s capable emitting light for 8 hours on just 1 cup of saltwater. Not only are the Philippines prone to natural disasters like typhoons and earthquakes but the country is made up of over 7,000 islands, most of which do not have access to electricity, says the team. More



Design Science

How to Build the World’s Simplest Electric Train

How to Build the World’s Simplest Electric Train

Dec.1.14

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Christopher

The AmazingScience YouTube channel demonstrates how to build a ridiculously simple electric “train” with the help of a few magnets, a battery, and a copper coil. You can also use the same materials to build a little spinning motor-like contraption. (via Twisted Sifter) More



Art Photography

Back to Light: Artist Caleb Charland Uses Fruit Batteries to Illuminate Long-Exposure Photographs

Back to Light: Artist Caleb Charland Uses Fruit Batteries to Illuminate Long-Exposure Photographs

Jan.27.14

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Christopher

Fruit Battery Solar System, 2014

Battery with Hanging Apples, 2013

Limes and Lemons, 2013

Electricity From a Ring of Apples, 2013

Vinegar Batteries with Glassware and Shelf, 2013

Grapefruit and Pomelo Battery, 2013

Apple Lamp, 2014

Apple Tree with Chandelier, Nettie Fox Farm, Newburgh, Maine 2013
Artist Caleb Charland (previously here and here) just unveiled several new images from his Back to Light series, where the artist uses nails inside fruit connected with copper wire to create functional batteries. More



Food Photography

The Energy Generated from A Single Orange: A Citric Acid Battery by Caleb Charland

The Energy Generated from A Single Orange: A Citric Acid Battery by Caleb Charland

Nov.15.12

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Christopher

This orange battery was built by photographer Caleb Charland (previously) as part of his ongoing alternative energy photographs using fruit, vegetables, and other objects to create light for his long-exposure photographs. The electricity powering the lightbulb inside the orange is generated through a chemical reaction between citric acid and the zinc nails inserted into each wedge. I think this is by far the most lovely piece he’s done in the series, but before you start work on a bunch of orange lights to keep on the nightstand, the light generated was so dim this particular photograph required a 14 hour exposure. More



Photography

Photographer Caleb Charland Wires Apple Trees, Fruit Baskets and Stacked Coins to Create Alternative Batteries

Photographer Caleb Charland Wires Apple Trees, Fruit Baskets and Stacked Coins to Create Alternative Batteries

Aug.20.12

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Christopher

Lamp powered by 300 live apples, 2012

Vinegar Battery, 2011

Fruit Battery Still Life (Citrus), 2012

Coin Battery, 2010
Portland, Maine-based photographer Caleb Charland frequently merges art and science with his photographic experiments involving electricity, fire, and magnetism. One of his ongoing projects involves a series of alternative power sources created using fruit, coins, and even vinegar to power the lights in his long exposure photographs. The apple photograph above involved a nearly 11-hour setup as he carefully hammered 300 zinc-coated galvanized nails into apples (zinc reacts with acid in the apples creating electricity, science!) and used copper wiring to transfer the current to a standard living room lamp. More

A Colossal

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Animal Multi-Tool