POLARITY How-To Videos & Articles

Follow these polarity tutorials to learn all about polarity with WonderHowTo's collection of free how-to videos and articles, like Make a Rubik's Cube out of dice, magnets, and epoxy, Make a rechargeable, solar-powered USB battery, and Upgrade the Harddrive in Your Archos Jukebox.

You'll also find several great electronics tutorials in the Electronics category.

How to make a Rubik's Cube out of dice, magnets, and epoxy

Make a Rubik's Cube out of dice, magnets, and epoxy

Check out this video from Make Magazine! Watch Action Girl and Bre ...more

A 3:10
Curated 1 year ago by rmansur | Comments 0
Views 2,559

How to make a rechargeable, solar-powered USB battery

Make a rechargeable, solar-powered USB battery

An emergency battery charger for your mobile phone comes in handy, but ...more

B+ 6:18
Curated 1 year ago by Vote Obama! | Comments 4
Views 7,403

How To Upgrade the Harddrive in Your Archos Jukebox

Upgrade the Harddrive in Your Archos Jukebox

If you have an old Archos Jukebox and want to add more storage or fix an 'HD Error', this wiki will walk you through the steps necessary to ...more

C Article
Written 4 months ago by WikiHow | Comments 1
Views 457

How To Arc Weld

Arc Weld

Shielded Metal Arc welding is the process of joining two metal pieces using a flux covered electrode which is melted in an electric arc and ...more

C Article
Written 4 months ago by WikiHow | Comments 0
Views 1,812

How To Degauss a Computer Monitor

Degauss a Computer Monitor

Degaussing a computer monitor clears electromagnetic buildup from the screen. Although it is hardly ever necessary, degaussing can sometimes ...more

C Article
Written 3 months ago by WikiHow | Comments 0
Views 62

How to make blobs in a bottle with a Lava Lamp effect

Make blobs in a bottle with a Lava Lamp effect

The World's Easiest Lava Lamp! This is an easy, fun science activity ...more

B 3:00
Curated 10 months ago by rmansur | Comments 0
Views 2,487

How To Make Battery Eliminators

Make Battery Eliminators

You've got dozens of battery-powered devices around, some used so often that you need to recharge the battery constantly; and some used so ...more

C Article
Written 3 months ago by WikiHow | Comments 0
Views 776

How To Install a Pair of New Car Speakers and Amplifier

Install a Pair of New Car Speakers and Amplifier

Have those old car speakers that came with your car when you bought it ...more

C Article
Written 4 months ago by WikiHow | Comments 0
Views 2,002

How To Build Your Own Uninterruptible Power Supply

Build Your Own Uninterruptible Power Supply

In the event of extended blackout, you may have critical systems (such as computer or medical equipment) that must remain running no matter ...more

C Article
Written 4 months ago by WikiHow | Comments 0
Views 1,182

How To Use a Multimeter

Use a Multimeter

A multimeter is an instrument use to check for AC or DC voltages, resistance or continuity of electrical components and small amounts of ...more

C Article
Written 3 months ago by WikiHow | Comments 0
Views 679

How To Install Speakers

Install Speakers

Have you ever wanted to install stereo speakers in your house, but found the job too difficult? There are a few things you may try to make ...more

C Article
Written 4 months ago by WikiHow | Comments 0
Views 1,013

How To Take Care of Automotive Batteries

Take Care of Automotive Batteries

It's very important not to let corrosion set it in on your battery terminals. Once corrosion sets in, your car will randomly fail to start ...more

C Article
Written 4 months ago by WikiHow | Comments 0
Views 127

POLARITY (12 How-Tos)

Holiday Cookies: Lab Mice, Chocolate Atoms & Gingerbread Scientists

In spirit of the recently posted brightly frosted cupcake periodic table, here are some equally clever, beautiful science-themed holiday cookies from Not So Humble.  The creative cooking blog ...

Deliverance Style Old Dude Creates Fully Automatic Crossbow

I have to say, this thing is pretty awesome. I find the smooth movement of the apparatus mesmerizing. However, I also have to say, the inventor totally gives me the creeps (no offense, old man). Known ...

Horsesurfing (Swear, No Photoshop Used!)

The Brits have contributed a new sport to the world, coined Horsesurfing. Yes, it is just what it sounds like: the combined skill of horseback riding and surfing. According to the Daily Mail ...

New Super Hybrid Kicks Tesla Motors' Butt

Capstone's CMT-380 stealth looking prototype can hit 150mph, compared to Tesla's 125. Tesla better step it up. Says Engadget: "Rather than mixing batteries and a conventional engine, this whip ...

Super Robot Has Powers of Levitation

This robot hasn't levitated any humans yet (especially not pictured Days of Our Lives star Deidre Hall), but it looks like the sky may be the limit with the Robo-Air Jet System. Developed by Aaron ...

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