Hot Fear Of Lightning Posts
How To: Make a Solar Death Ray with an Old Projection TV
In this article, I'll show you how to make an awesome "Death Ray" using the large magnifying lens from an old projection TV. The lens is called a Fresnel lens; a device that employs several ridges to focus light, rather than a complete curve.
How To Make A Coil Gun: Turning Electricity Into Velocity
In this article, I'll show you how to build a coil gun. A coil gun is a device that fires magnetic projectiles at high velocities, using electricity. Coil guns require no explosive propellant, therefor can be fired an infinite amount of time, providing that there is ammunition and available electricity.
How To: Protect Your Door with High Voltage
In this article, I'll show you how to create a simple yet effective way of scaring off intruders. Of course, there are methods around this approach, but it's great for office pranks and general fun. The project requires a little background knowledge in electronics and circuitry, like reading schematics and using a soldering iron.
How To: Build a Wireless Energy Transfer Array to Power Light Bulbs Without Plugging Them In
In this article, I'll show you how to built a Wireless Transfer of Energy Transmitter. Simply put, this device will send electricity to a florescent light bulb and light it up, from up to three feet. The idea originally (at least, prominently) came from Nikola Tesla (read more about this amazing inventor here), who used his Tesla coils to transfer wireless energy to light bulbs in demonstrations (photo below). However, the circuit described in this article consists of a flyback transformer, n...
How to Make Ferrofluid: The Liquid of the Future
What Is Ferrofluid? Ferrofluid is a black, solvent-based liquid, that, in the presence of a magnetic field, becomes strongly magnetized. The fluid is made up of nanomagnetic particles coated with an "anti-stick" or surfactant compound, suspended in a "carrier", commonly an organic solvent. For mechanical applications, it is used in hard drives and speakers as a lubricant. However, it also has been implemented in artwork, as seen in the video below.
How To: High Voltage Happiness? How to Make a Negative Ion Generator
In this article, I'll show you how to build a simplistic circuit to generate negative ions. Negative ions have been known to contribute to fresher air, happier mood, and general health benefits. However, they also look amazing in the dark (check out the photos below, purple plasma is amazing!). And if all else fails, they make a cool nightlight. If you've ever been around a Tesla coil, cathode ray tube TV or sometimes even on a trampoline, you've probably noticed that smell; the smell of "sta...
Master the Power: How to Make Fluorescent Tubes Glow with Your Bare Hands
I'm sure most everyone has some kind of fluorescent light source in their home; those long white tubes that emit a bright white light when turned on, or maybe a few of the CFL power-saver bulbs. These bulbs actually require very little "power" (i.e. a high voltage:almost no current ratio) to emit light. In fact, static electricity is enough to make them flicker. Inside these tubes is a gas, and when electricity flows through that gas, it gets "excited" and produces light.
How To: Make a Killer Bottle Opener from a .50 Caliber Bullet
In this article, I'll show you how you can make your very own bullet/shell bottle opener. All you need is a .50 caliber deactivated round and some workshop tools!
Making Electromagnetic Weapons: Directed Microwave Energy
Welcome to Microwave Energy—the next part of my Making Electromagnetic Weapons series. For the Electromagnetic Pulse Generator, check out the last three articles (One, Two and Three).
Making Electromagnetic Weapons: EMP Generator, Part One
In this series, I'll be exploring electromagnetic weapons, how to build them, their function and application to the future, and the amazing possibilities electromagnetism has to offer. First, the electromagnetic pulse generator, or EMP. You've probably heard of these before, and their devastating effects on electronics. A simple EMP consists of a capacitor, transformer, trigger, and coil of copper wire. This, when triggered, would produce an intense magnetic field for a brief period, similar ...
Making Electromagnetic Weapons: Flashlamp Lasers
In my second article of the laser weapon series (see the first part here on CO2 lasers), I'll be expanding on the potential of pulsed lasers.
Making Electromagnetic Weapons: EMP Generator, Part Two
In this article, I'll be covering Triggers and Coils, part two of the series (see part one here). Generally, a simple EMP generator consists of four components; a capacitor, a transformer, a trigger and a coil of copper wire. The transformer component can be varied, but the coil is very important, and must be precisely tuned.
Master the Power: How to Shock People with Your Fingertips
In this article, I'll be showing you how to make a simple yet effective static electricity generator. Basically, this device allows you to carry a constant static charge on your body and discharge it on anything grounded or of opposite polarity. The electricity generated is around 8-10 kV, at a very low current. The shock is enough to startle your friends, just like a static shock from a trampoline or carpeted room. You'll need a little experience in soldering and circuit design to build the ...
How To: Hack Anyone's Facebook, Twitter or YouTube Account with Your Android Device
In this article, I'll show you how to easily "hack" Facebook, Twitter, YouTube, and any number of similar account types with an Android app called FaceNiff.
The Ultimate DIY Spy Drone: Start Building Your Own UAV for Under $800
Over the next few months, I'll be focusing on building a fully functional, long range UAV. This series will consist of several in-depth articles on my progress and the steps involved, so you can follow along and build your own unmanned aerial vehicle!
How To: Light Up Your Walls with Stars
Everybody loves the stars. Well, I certainly do. As a child I'd spend hours outside during summer nights marveling at the seemingly endless amount of sparkling dots spanning the sky. Maybe you have children of your own and want to create a sparkle in their eyes, or in your own. This tutorial will provide a basic method of bringing the stars inside—at least, in part.
News: Portable DIY Tesla Coil Gun Shoots 20,000 Volts of Lightning!
Tesla coils are totally insane, yet undeniably captivating. And they can be used for many things, from electric painting to dueling musical battles. But one trigger happy fellow has a different use for Tesla's lightning shooting coil. A weapon.
Make Your Own Nitrous Oxide: Hilarious Science
If you've ever had teeth removed/minor surgery, you most likely received some laughing gas, or nitrous oxide. This gas creates a happy, lightened feeling, and causes instant laughter. In this article, I'll show you how to make some. BUT BE CAREFUL!!! DO NOT proceed in this experiment unless you have EXTENSIVE knowledge of chemistry!!! Misuse of this procedure could result in the production of LETHAL GASSES! However, the set-up is quite simple, if done correctly should not lead to any issues. ...
News: Space Painting with a Tesla Coil and One Million Volts of Electricity
Nikola Tesla. He was the man behind some of the greatest inventions of all time, including radio and alternating current. But perhaps his most visually fascinating invention is the Tesla coil. While maintaining a low current, it can produce dangerous high frequencies and voltages that can well exceed 1,000,000 volts, discharging it in the form of electrical arcs very similar to lightning.
How To: Make A High-Lighter Stun-Gun
The Stun-Gun In this article, I'll show you how to make a small, weaponized highlighter. Before I get into how to built this device, let me warn you. This device is harmful! When used, it can cause burns and/or serious muscle spasms. The voltage is potentially deadly! DO NOT attempt to build this device unless you are experienced with safety, electronics, soldering, and understand circuit schematics.
Making Electromagnetic Weapons: Semiconductor Lasers
I'm back with the third part to my laser weapon series (see part one and two), and I'll be explaining the function, application, and potential of semiconductor lasers, aka laser diodes.
News: Harrison Krix's DIY Daft Punk Helmet in 4-Month Time-Lapse Video
What can I say—it's amazing. Loaded with over 350 LEDs in a matrix, this Daft Punk helmet simply radiates awesomeness. Made by Harrison Krix of Volpin Props, this DIY project took four months to build (much shorter than his last helmet of 17 months).
How To: Measure Geomagnetic Storms with a DIY Magnetometer
Interested in taking a few snapshots of the likely auroras from the recent solar flare the Sun sent our way?
News: Butane Combustion High Voltage Capacitor Launcher
Here's a little gadget I made based on the concept of a potato launcher, a stungun, and a dart gun. The gun uses an explosive gas (butane) to launch a charged high voltage capacitor at a target. The gas is ignited by a small spark, created by a pulse transformer. The trigger automatically fills the combustion chamber with the correct amount of gas, then ignites it with the pulse transformer. The result: a long range stun dart gun.
How to Make Propane Bubbles: Fire You Can Hold
You must ONLY conduct this experiment if you are experienced in using combustibles and understand the risk. Fire is very dangerous and can seriously burn you. Seems harmless at first, but believe me, these are bubbles turned evil. When ignited, the bubbles pop almost instantly, and all the propane is released in a huge fireball.
News: Making Sound Sculptures with a Speaker and Cornstarch
Posted below is an interesting video on the effects of low frequency square waveforms on cornstarch. To make, simply mix cornstarch and water, then place on a large speaker hooked up to an amplifier and a signal generator (generating around 20-30 hertz). An old stereo works great, as long as it has an aux-in. There is lots of free signal generating software at arms length, like this one. I found adding a little olive oil into the cornstarch mix makes it easier to handle, and contributes to th...
News: The Best Smart LED Lighting for the Smart Home
One of the latest home-improvement gadgets out there today, smart lighting, has become more popular as prices come down. That being said, its still quite a penny to shell out. In this article, I'll go through a few of the top products out there today, including the Philips Hue, Belkin WeMo, and Lifx.
News: Playing an Electric Guitar With 100,000V
Video: . I made this Tesla Coil using the myRIO and LabVIEW. It uses electricity to play the music, which can be Star Wars, Harry Potter or even Hunger Games! The music is played by the spark heating the surrounding air (causing it to expand) then the spark turning off (causing the air to cool and contract). This expanding and contracting cause's longitudinal waves - or sound waves.
How To: Harness Bluetooth Communication Using Arduino
Since its creation, Arduino has been growing exponentially more popular as DIY enthusiasts and Makers alike realize its potential. As new versions of the device are released, many easy-to-use peripherals are showing up on the market also.
Graphene: Another Amazing Carbon Product?
What Is Graphene?
How To: The Hardware Hacker's Introduction to Microcontrollers, Part Two: How Does Arduino Think?
In this article, I'll be continuing my series on microcontrollers. If you haven't read part one, I'd recommend heading over there and reading it!
How To: Make a High-Powered Compressed Air Rocket Gun
In this article, I'll show you how to make a high-powered, long-range, air-powered rocket gun. This launcher is based on a sprinkler valve, a modified propane tank, and a few other components. Though not hard to make, this device is VERY dangerous! The rocket can seriously harm, if not kill any living thing it's shot at. Here's a video of it in action, quite an accurate shot by my friend Chris... Parts
How To: The Hardware Hacker's Introduction to Microcontrollers, Part One: Anatomy of an Arduino
In this article, I'll be explaining the basics of how microcontrollers work, physically and virtually. First off, microcontrollers are no simple thing, so don't be discouraged if you find it mind-boggling! The world of microcontrollers is fascinating, engaging, and an awesome hobby; it never gets boring. I'll be focusing more on I/O and analog based microcontrollers, such as those running Arduino, and using Atmel chips as examples (these are most commonly available, and easy to program).
News: DIY Snowflake Cultivation with 2,000 Volts of Thermoelectric Cooling
Snowflakes aren't much to look at during a storm, but when you look real close, you can see just how marvelous they really are. But winter is over and most of us can no longer enjoy the intricate nature of ice crystallization, unless you're sticking your head in your freezer. Or unless you build your own snowflake cultivation machine, which shoots 2,000 volts of electricity through a cold, moist chamber.
How To: Use Google Voice to Prank Your Friends on April Fool's Day
In this article, I'll show you how to prank your friends on April Fool's Day with the very popular Google Voice, a computer to land/mobile calling feature. Basically, Google allows you to play whatever you like through the microphone port on your computer, and play it right through to your victim's phone. Whether it's Rick Astley ("Never Gonna Give You Up") or a text-to-speech application, general hilarity always follows.
Dueling Plasma: Singing Tesla Coils' Shocking Battle to the Death
Tesla coils are electrically satisfying in so many ways. But what happens when a guitar-playing city coil has a run-in with a backwoods, banjo-playing, inbred coil? A musical duel to the death! Watch these two Tesla coils battle it out as they play Dueling Banjos. Shocking. Just shocking. Okay, so it's no secret that Tesla coils can create a wonderful light show of electricity, but by modulating the frequency, they quickly turn into powerful singing Tesla coils—the key to any electromaniac's ...
News: Laser Blasts 2 Megajoule Beam 1,000 Times Stronger Than All U.S. Power Plants Combined
You might already know a little bit about what the National Ignition Facility has been up to lately, or what they could possibly achieve. But last week, even the scientists at the Livermore, California station couldn't predict the awesome power that their humongous laser was capable of. NIF's laser is already the record holder for the world's largest laser, and now it can also claim to be the first ever 2 megajoule ultraviolet laser after it generated nearly 100 times more energy than any oth...
News: Fiber Laser Scores Aperture Logo in Steel While Playing Portal's "Still Alive" Theme Song
Most of your who visit Fear of Lightning are probably well familiar with laser weaponry, thanks to Christopher's three-part series covering carbon dioxide, flashlamp, and semiconductor lasers. Another type of laser currently being developed as a weapon is the fiber laser, which is compact and efficient, but much weaker than a chemical laser. Fiber lasers are more commonly used in laser cutting and marking, telecommunications, spectroscopy, and of course... music.
News: Flying Quadrotor Robots Play the James Bond Theme on Real Instruments
Created by the University of Pennsylvania, these bots would impress Q himself. This army of mini quad-copters are controlled with rhythmic precision, a truly awe-inspiring collaboration of music and technology. From playing a synthesizer to drums and cymbals, each robots is multi-talented. The tiny helicopters are equipped with reflectors, making it possible to plot their position using infrared lights and cameras positioned around the room. Check out the video!
News: Can someone help me?
Hi everyone! I love the ideas what you showed us and the how to make does electric stuffs, but I had some ideas: