Jody Porter

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Explainer: How heat moves

<b>(for more about Power Words, click</b> <b>here</b><b>)</b><p><b>antenna</b> (in physics) Devices for picking up (receiving) electromagnetic energy.<p><b>atmosphere</b> The envelope of …

Baseball: From pitch to hits

On June 12, the Kansas City Royals played at home against the Detroit Tigers. When Royals centerfielder Lorenzo Cain stepped up to the plate at the …

Falling through Earth might be a long and fruitless trip

The Earth is largely solid or molten rock that’s hot enough to melt iron. So you could never build a tunnel through its diameter. But let’s play a …

This Could Be The First Observational Evidence That Our Early Universe Was Once a Hologram

Wha??<p>For decades, scientists have been toying with the idea that our Universe is - or once was - a giant hologram, where the laws of physics require …

Physics

Ingenious Clean Coal Plant Could Give New Life To Coal

NRG Energy and JX Nippon Oil & Gas Exploration Corp. have successfully developed a power plant that runs entirely on clean coal. The Petra Nova power …

America Still Uses A Lot Of Nonrenewable Energy: The Pros And Cons

There is a lot of talk about the rapid growth of renewable energy, including wind and solar. It can be easy to forget that at least for now, we still rely heavily on nonrenewable energy sources, such as oil, natural gas, coal and uranium.<p>Today, it’s hard to imagine the western standard of living …

Fossil Fuels

NASA releases first results from 'Year In Space' twin study

The first results from NASA’s Year in Space brothers are in, and show glimpses of how stressful a trip to Mars could be for the human body.<p>Astronaut …

Watch: Eighty years after it was predicted, hydrogen has been converted into a metal (and it's huge)

This really could change everything. At least, a lot of things.<p>It could theoretically revolutionise technology, making super-computers and high-speed …

Put People on Mars by 2033—for the Good of the Nation

Could America be the first country to put humans on Mars? Should it be? And is it a race we can win?<p>WIRED OPINION<p>About<p>Norm Augustine is the former …

How Long Until The Moon Slows The Earth To A 25 Hour Day?

<i>At this rate of the Moon’s gravitational force slowing down Earth’s rotation, how long will it take to increase an hour to our day?</i><p>The Earth’s rotation is indeed being slowed down by the presence of the Moon – every year, the Moon gains a little energy from the Earth, and drifts a little farther …

Earth Science

Are Earth's Magnetic Poles About to Flip?

<i>This article was originally published at</i> <i>The Conversation.</i> <i>The publication contributed the article to Live Science's</i> <i>Expert Voices: Op-Ed & Insights</i>.<p>The …

Use the First Fret Trick for a Brilliant Acoustic Guitar Recording

When you’re doing an acoustic guitar recording you’re going to want the most out of your full-bodied instrument.<p>The nature of it being an acoustic …

Guitar

Chord Inversions

In this <b>guitar theory lesson</b> you are going to work with a type of chords called triads. Triads are guitar chords that contain 3 different notes, the …

Three Fingerstyle Patterns - Learn Advanced Acoustic Guitar Lesson

How to Strum a Guitar

It’s tough to enjoy playing guitar when it’s all rudiments and scales and exercises. Learning to strum a guitar properly will have you playing songs …

Twang 101: Western Swing Rhythm

<b>Chops:</b> Intermediate <b><br>Theory:</b> Beginner <b><br>Lesson Overview:</b><br>• Learn common major 6 voicings.<br>• Understand how to use passing chords to make progression more …

Electric Guitar

Style Guide: Acoustic Blues Guitar

<b>Chops:</b> Intermediate <b><br>Theory:</b> Intermediate <b><br>Lesson Overview:</b><br>• Dive into Delta blues, Texas blues, ragtime, Piedmont, and boogie-woogie styles.<br>• Learn …

Guitar

This Excerpt from “Acoustic Blues Guitar Basics” Will Show You How to Play the Backbone of Blues, the Shuffle.

Blues Shuffle Basics<p>There are a lot of different ways to play this beat. Let’s take a Jimmy Reed–style Chicago shuffle that Reed made famous. <b>Example</b> …

Blues Rhythm Guitar Chord Fills Lesson

Blues Rhythm Guitar Chord Fills Lesson<p>Updated on March 12, 2014<p>A simple yet effective rhythm fill for blues is taking 2 minor triad shapes …

1 Guitar Scale Exercise Every Guitarist Needs to Know

Learning and practicing scales is an important part of learning how to play jazz guitar.One of the most effective ways to learn chords, scales and …

Electric Guitar

Pluck ’Em! A Crash Course in Country Guitar

<b>Chops:</b> Intermediate <b><br>Theory:</b> Intermediate <b><br>Lesson Overview:</b><br>• Learn how to “chicken pick” single-note licks, double-stops, and open-string cascades.<br>• …

Electric Guitar

Extend Yourself: Upper Extensions of 7th Chords

This lesson, while a play on the title of a popular Madonna song (ripped off by Lady Gaga), has a topic that is a bit less sexy sounding: the upper …

5 Guitar Scale Patterns Every Guitarist Should Know

Knowing and understanding guitar scale patterns is an essential part of becoming a well-rounded, skilled guitarist. Knowledge of scale patterns will …

Arlen Roth

Music lesson pioneer Arlen Roth is the quintessential guitarist. An accomplished and brilliant musician — and one of the very few who can honestly …

5 tech myths you hear all the time

Humans are great at creating myths. From Marduk and Zeus to unicorns and mermaids, there's no end to what we can imagine. That's true even with technology.<p>There's old tech advice that no one questions, half-remembered instructions you just keep doing, misunderstood terms and more that you believe …

Scientists Are Afraid To Talk About The Robot Apocalypse, And That's A Problem

I thought it'd be a cool story to interview academics and robotics professionals about the popular notion of a robot takeover, but four big names in the area declined to talk to me. A fifth person with robo street cred told me on background that people in the community fear that publicly talking …

Singularity

Solar 'superstorm' that missed earth in 2012 could have caused massive blackouts

Asteroids aren't the only things in space we have to worry about. A massive solar storm emitted from the sun could fry electronics and satellites around the globe, and take down much of the power grid. And such a storm isn't as far-fetched as you might think: according to readings taken from a …

Pluto-bound New Horizons update

New Horizons – en route to Pluto – is currently out of hibernation for a series of engineering and navigation checks, which will continue until the …