High Frequency

How To : Make a high voltage supply in just five minutes

In this video you will learn how to make a high voltage, high frequency power supply in just five minutes, and for less than twenty bucks. All you'll need is a compact fluorescent light (CFL) and a flyback transformer to make that alternative energy source of yours. Please vi ...more

How To : Create bump maps from color maps in 3ds Max 8

This 3ds Max video tutorial goes over how to create bump maps and how to quickly create one using your existing color map as a starting point in Autodesk's 3D Studio Max digital graphic modeling software in conjunction with Adobe Photoshop. It will also cover how to breakup yo ...more

News : Top 25 Firefox Tweaks

How is it that we use Firefox tremendously and yet not care for its needs? You might have noticed Firefox sometimes tends to slow and not respond often. You might have installed countless add-on in Firefox to enhance your using experience, to get the most out of your Firefox u ...more

How To : Make a homemade bass trap acoustic panel

Learn to make your own super effective bass traps and acoustic panels with materials from your local hardware store, just by watching this home audio video tutorial. Why haven't you heard of a Bass Trap or High Frequency Panel, and what is the difference between the two? A B ...more

News : Syphilis Has Returned with New Drug Resistance

What do Leo Tolstoy (writer), Beethoven (composer), Paul Gaugin (artist), and Adolf Hitler (politician) have in common? They are all considered to have suffered from the sexually transmitted disease syphilis. With the incidence of sexually transmitted infections (STIs) and se ...more

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 ...more

How To : Create a non-Newtonian fluid

On this episode of Scientific Tuesdays, Dylan shows you how to create a non-Newtonian fluid using corn starch and a little water. A non-Newtonian fluid is any fluid that does not follow the laws of physics. - Measure out 1/2 cup of 100% corn starch with a measuring cup and po ...more

How To : Deal with a heavy menstrual flow

When it’s that time of the month and a heavy period interferes with your lifestyle, it’s time to take action. You Will Need * Extra sleep * A record of your period’s intensity and frequency * A doctor * Ibuprofen * A low-fat, high-fiber diet Step 1 Get extra rest if your blee ...more

How To : Learn EQ techniques on the turntable

This instructional turntable video shares some techniques for the aspiring DJ. EQing is an important aspect of mixing on the turntable. EQing filters out certain frequencies in your music. The idea is to have control over the bass, treble, high and middle frequencies, to creat ...more

Introduction to Cryptography : Archaic Beginnings

Cryptography is a quintessential part of computer security in the modern world. Whenever you buy something on eBay or log into Facebook, that data is encrypted before it's sent to the server in order to prevent third parties from eavesdropping and stealing your sensitive infor ...more

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). I'm sure almost all of you have used a microwave at some point in your lives. As a child, I ...more

News : Tips on recording a kick drum

There are a lot of important things to keep in mind when you’re recording a kick drum. It seems like it’d be as simple as putting a mic in front of the drum, but there is so much more! Here are some quick tips on recording and mixing a good kick drum. Microphone – a good mic ...more

How To : Cut monitor feedback with StudioLive 16.4.2

In this video, Rick show us how to cut monitor feedback with StudioLive 16.4.2. First, assign your microphone to ox 1. Then turn it up and go to the master output of Ox 1 and turn it up until you hear feedback happening. Then, hit the select button on Ox 1 and you can change t ...more

How To : Repack a Motorcycle Muffler

Periodically, motorcycle and ATV exhaust system can be rebuilt to maintain the proper performance and sound level expected from the exhaust system. My experience was with a dirt bike that had an aftermarket high performance exhaust installed.I bought my 99 XR400 second hand an ...more

How To : Adjust EQ settings on a mixer when DJing

See how to adjust the relative levels of low, mid and high frequencies when on the decks. While DJing might appear simple to the untrained eye, truly mastering the turntables requires as much time and dedication as mastering any other instrument. Fortunately, the internet is a ...more

How To : Use volume and EQ controls on a mixer when DJing

Learn how to adjust volume and the relative levels of the bass, mid and high frequencies. While DJing might appear simple to the untrained eye, truly mastering the turntables requires as much time and dedication as mastering any other instrument. Fortunately, the internet is a ...more

How To : Set-up Record in Reason for de-essing

This how-to video shows you how to reduce the "s" sound in a certain recording software program. They play a line a music where the singer emphasizes on her "s" sounds. The tutorial shows you how to reduce the "s" sound so that it clear and sharp. It also shows you how to chan ...more

How To : Manipulate your voice with sulfur hexafluoride gas

Lance Lund, a professor at Anoka-Ramsey Community College, was asked to prepare a promotional science video for the college back in 1995 that was to air on a local cable access channel. All went well until he inhaled some sulfur hexafluoride (SF6). The video never aired, but m ...more

How To : Electron Spirographs with a Cathode Ray Tube

In this article, I'll be showing you how to make a cool visual representation of sound using an old cathode ray tube (CRT) television, a stereo, and a sound source. You'll also need a pair of wire cutters, and a few screwdrivers. To properly understand this project, it's a goo ...more

How To : Create a Helix-Shaped NURBS Curve in Maya

There are several ways you can go about creating your NURBS helix curve in Maya; I will demonstrate the two easiest ones. For advanced users, and people that like to figure stuff out by themselves, here are the two techniques in a nutshell: You can either create a straight N ...more

How To : Top 4 Phones for Music Lovers & Audiophiles

While music may not technically be a "universe language," it is the one language listened to by all. There are over 1,500 music genres today—rap, classical, rock, jazz, trap, hip-hop, house, new wave, vaperwave, charred death, nintendocore... and the list goes on. And if you'r ...more

News : The 4 Best Phones for Binge-Watching Netflix & Hulu

Streaming video services continue to grow their subscriber bases, and there are no signs that the industry is slowing down. Netflix has almost 50 million subscribers in the US alone, Hulu recently surpassed 12 million domestically, and more than 66 million Americans pay for Am ...more

How To : Fix Notification Delays on Android

Ever feel like you're receiving notifications way too late on your Android device? Many Android apps use Google's Cloud Messaging service to send and receive notifications, including Hangouts, Gmail, Pushbullet, Facebook, and even WhatsApp to an extent. To ensure that your ph ...more

How To : Phreak (Basics)

Get some tinfoil hats and make a time machine because we are about to go back to the 90s and learn about some phreaking. Step 1: What Is Phreaking? Phreaking is the action of hacking into telecommunications systems, especially to obtain free calls. Phreaking was big in the 9 ...more

How To : Send Text Messages in Class Without Getting Caught

Students have been passing notes in class for decades, so what's the big deal about sending a quick text message? Everybody does it, even your teacher was surely guilty of covertly communicating with his or her peers back when they were in high school. Don't Miss: How to Bypa ...more

How To : Use Your Smartphone to Check for Dead Batteries

We've all been there. Channel surfing lazily whilst reclining on the sofa—then all of a sudden, the remote stops working. Out of frustration, you hold the remote up higher, press the buttons harder, or maybe a even give it a good smack hoping that will fix it. Right around thi ...more

News : Puerto Rico Could Be Downplaying Its Zika Problem

Reports of Zika-related birth defects are coming in at shockingly low rates in Puerto Rico. While that might be something to cheer, one former US government official is saying there could be a nefarious reason for the low numbers. Last July, the Puerto Rico Department of Heal ...more

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