30 Jul '15, 11am

One Way to Recharge Alkaline Batteries

It says it right on the side of every alkaline battery – do not attempt to recharge. By which of course the manufacturer means don’t try to force electrons back into the cell. But [Cody] figured he could work around that safety warning chemically, by replacing the guts of an alkaline dry cell . The batteries in question were certainly old, gnarly looking, and pretty dead – [Cody] barely got a reading on his multimeter. As you can see after the break, he cleaned off the exterior corrosion and did a quick teardown of the dry cells, removing the remains of the zinc anode, now in the form of zinc oxide paste looking very much like what you’d slather on your nose before a day at the beach. He filled the resulting cavity with a putty of zinc dust, freshened up the electrolyte charge with a squirt of 20% potassium hydroxide, sealed up the cell with a little silicone caulking, and...

Full article: http://hackaday.com/2015/07/30/one-way-to-recharge-alkali...

Tweets

The Right Way to Do A Hacker Conference

hackaday.com 03 Aug '15, 3pm

A badge and lab equipment don’t necessarily make a party. The Whiskey Pirates have that covered too. The workstations can ...

There’s only one way to fix the oceans now

There’s only one way to fix the oceans now

grist.org 04 Aug '15, 4pm

In a new report published in the journal Nature Climate Change , German researchers conclude that even magic technology th...

“One for you, one for me!” via @SbuxMel

starbucksmelody.com 09 Aug '15, 8pm

Summer Iced Grande on Starbucks: Buy 5 & collect the stickers and then get one free! (34) How to get a free tin of Starbuc...

Chevy Volt Batteries Get Secondary Use – and Help Set Guinness Record

Chevy Volt Batteries Get Secondary Use – and He...

hybridcars.com 29 Jul '15, 4am

As General Motors works on secondary uses for the Chevrolet Volt battery a recent opportunity came up to nab a Guinness Wo...

Make her big day a magnificent one.

tiffany.com 05 Aug '15, 2pm

Tiffany Victoria™ line bracelet in platinum with diamonds. Tiffany Keys fleur de lis key pendant with diamonds in platinum...

Fiat Chrysler CTO: Fuel Cells Are The Future, Batteries Are Not

Fiat Chrysler CTO: Fuel Cells Are The Future, B...

greencarreports.com 28 Jul '15, 1pm

By Stephen Edelstein 1,462 views Jul 28, 2015 Reddit This! Share on Facebook Share on Twitter 2015 Maserati Ghibli Enlarge...

Not All Lithium-Ion Batteries Are Created Equal: When they first hit the market, whether in

Not All Lithium-Ion Batteries Are Created Equal...

greentechmedia.com 28 Jul '15, 2pm

When they first hit the market, whether in laptops or packs that powered cordless tools, lithium-ion batteries offered a l...

These complementary colors come together in an ...

robbreport.com 01 Aug '15, 4pm

High above Manhattan,this Jamie Drake–designed penthouse is anything but a shrinking violet. When it was coined in 1889, t...

The race this morning was a good one.

hungryrunnergirl.com 01 Aug '15, 8pm

You killed it!! And I’m continually amazed by you! This morning was so great! I loved spending the morning with you! 2nd w...

Solar Cell and Battery in One

Solar Cell and Battery in One

jetsongreen.com 03 Aug '15, 4pm

In October 2014, a team of scientists from Ohio State University revealed their design for a dye-sensitized solar cell tha...

Tesla batteries: the beginning of how technology will transform the electric grid

Tesla batteries: the beginning of how technolog...

energydigital.com 31 Jul '15, 5pm

Tesla Motors already makes batteries for its electric cars, but in April, it introduced battery systems for homes, busines...

Hackaday Prize Entry: SnapVCC

Hackaday Prize Entry: SnapVCC

hackaday.com 30 Jul '15, 5am

While it’s the easiest way to lay out a simple circuit for prototyping, breadboards are a pain. They are the ultimate klud...

The Right Way to Get The Windows 10 Free Upgrade Instantly

The Right Way to Get The Windows 10 Free Upgrad...

amanz.net 01 Aug '15, 2pm

It’s a clear-cut case the majority owning a legit copy of Windows 7 or Windows 8/8.1. Thus, let’s just agree that most peo...

#Technology HTC One E9+ dual SIM: The more affordable One is now in town @vernieman

#Technology HTC One E9+ dual SIM: The more affo...

vernonchan.com 30 Jul '15, 6pm

On the heels of its flagship HTC One M9+ , HTC has revealed yet another One – the HTC One E9+ dual SIM for the Malaysian m...

Solution to stifled productivity could be outsi...

gbdmagazine.com 30 Jul '15, 6pm

Indeed, human subjection to nature as a necessity might seem initially like an obvious biological given. However, signific...