Every morning when you go out and start your car, you’re pulling power from a lead-acid battery. But how exactly do they work? In this informative video we see how lead plates and sulfuric acid provide the power your car craves.
Courtesy of Engineer Guy Video:
Bill explains the essential principles of a lead-acid battery. He shows the inside of motorcycle lead-acid battery, removes the lead and lead-oxide plates and shows how they generate a 2 volt potential difference when placed in sulfuric acid. He explains how the build up of lead sulfate between the plates will make the battery unusable if it discharged completely, which leads him to a description of how to make a deep cycle battery used for collecting solar energy.
[via Make]
Earlier this week we asked you to share your favorite places and tricks for finding new video games to play. It turns out the least of your problems was finding new games!
In this week’s game your thinking skills will be put to the test as you work to draw lines and direct the movement of orbs on the game screen. Can you draw the proper configuration so that all the orbs move where they are supposed to or will you watch helplessly as your carefully crafted plans fail?
PowerShell Remoting allows you to run individual PowerShell commands or access full PowerShell sessions on remote Windows systems. It’s similar to SSH for accessing remote terminals on other operating systems.
Every week we round up some tips from our inbox and share them with everyone; this week we’re looking at more kindle books, running Windows 3.1 on the iPad, and some DIY antenna builds.
Think you know the answer? Click through to see if you're right!
If you’re looking for a simple way to get a bird’s eye view to record your DIY projects or other table-based activities like gaming or tinkering, this simple modification to a swing-arm lamp offers a highly flexib...
We have all been hearing about the upcoming changes to the UI in Firefox and now the first test build is finally available to try out. Mozilla software engineer Jared Wein has worked hard and put together an unofficial (at th...
If you’re a fan of the resurgence of highly stylized and atmospheric adventure games–such as Spirit, World of Goo, and the like–you’ll definitely want to check out this well executed, free, and more th...
You might’ve heard of the LinkedIn and last.fm security breaches that took place recently. Not to mention the thousands of websites that have been hacked till now. Nothing is invulnerable to hacking. And when something like that happens, passwords are leaked.
People often “tether” their computers to their smartphones, sending their computer’s network traffic over the device’s cellular data connection. “Reverse tethering” is the opposite – tethering your Android smartphone or tablet to your PC to use your PC’s Internet connection.