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Amazing new technology powers wearable devices with our own sweat.

A team of engineers from the University of California, San Diego has developed remarkable stretchable power cells that take energy from your own sweat and power electronics, like LEDs and even Bluetooth radios! New technology powers devices with sweat
For a field that has been struggling to come up with devices that are powerful enough and stretchable enough, these epidermal biofuel cells are a major breakthrough. The breakthrough was achieved thanks to a combination of extremely clever chemistry, highly advanced materials and electronic interfaces. This combination let them build a highly stretchable, electronic foundation using lithography and screen-printing to manufacture 3D carbon nanotube-based cathode and anode arrays.
The biofuel cells are equipped with an enzyme that oxidizes the lactic acid present in human sweat to generate current. This turns the sweat into a source of power. Because the concentration of lactic acid in a person's sweat gets diluted over time, the team is exploring a way to store the energy produced while the concentration of lactate is high enough and then release it gradually.So future work is needed before this technology can be considered a full success. 

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Latest Tips

Will it be a snowy Alabama Winter?

Tuesday, January 16, 2018

Anytime the power goes out, it's inconvenient, but losing power in the winter is particularly dangerous and requires an emergency plan in in the event of a loss of power. 

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Can your electric panel handle all of your Christmas lights?

Monday, December 18, 2017

Well, it's that time of year again. To go with the fully animatronic Santa and reindeers on the roof, or not? Lots of homeowners worry that they'll pull a classic Clark Griswold move of shutting down the entire town's electrical grid. That's not a real concern, though there certainly is the risk of creating a possible fire hazard or popping some breakers. So, how can you avoid creating an electrical overload and still have the best lights on the block? Read on:

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About John's Electric

Linn Park Fountain, Birmingham, AL

John's Electric Inc. is a family owned and operated electrical contractor business that proudly provides electrician services in Birmingham, AL and the surrounding areas such as Hoover, Homewood, Chelsea, Vestavia Hills, Pelham, Alabaster, Trussville, and Mountain Brook. John's Electric provides residential and commercial electrical solutions at competitive rates. We have been in this line of work for 30 years, giving us not only experience but expertise as well. You can depend on us. We are a state licensed electrician (#03875) for your protection.

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What others say about John's Electric Service

Aubrey and Jeremy were awesome! I have an old house with old wiring and needed to install a new Range and above Range Microwave. They worked very hard to run new wiring to the breaker box in the basement, installed new plugs, and installed the appliances with great care.

Steven T.
HomeAdvisor

Aubrey did an excellent job with moving our electrical main service. He coordinated with Alabama Power and the Hoover inspectors and everyone was there when they should be. He knew that we needed a special disconnect and ordered the right one. We gave him a key and trusted him to be in and out of the house and yard when he needed to. He kept us informed, did a quality job and went over and above to come out to check on things for us after hours one evening and teach us a few things. Reasonable price as well. A true professional and I will recommend him again.

tiffdunlap
Yellow Pages

Aubrey was courteous, prompt and helpful. He knew what I needed quickly. I will be calling him the next time I need electrical service. Gave me a great price.

Diane Lockhart
Google

John’s Electric save’s the day.

I called for help and Aubrey came to my home when it was convenient for me. He was on time and very professional. All issues I needed to be fixed were. I am very happy with the service and the prices. I will use Aubrey again and I would recommend him to my family. Thanks so much. mvb

Venus B.
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