Todd Magee

39 Flips | 1 Magazine | 6 Following | @tmhbca | Keep up with Todd Magee on Flipboard, a place to see the stories, photos, and updates that matter to you. Flipboard creates a personalized magazine full of everything, from world news to life’s great moments. Download Flipboard for free and search for “Todd Magee”

The Reason Why Old People Have Bad Hearing Has Nothing To Do With Their Ears

Our brains have more trouble processing speech as we age, but there are ways to fight it.<p>Hearing loss in old age might not mean a problem with the ears at all. Instead, our brains may just be getting worse at processing speech, especially in noisy places. Worse, if that background noise is also …

The Brain

Strange messages coming from the stars are ‘probably’ from aliens, scientists say

Scientists have heard hugely unusual messages from deep in space that they think are coming from aliens.<p>A new analysis of strange modulations in a …

For scientists and students: Why the mobile DNA kit Bento Lab is not just for Christmas

A mobile DNA lab for remote regions is one thing, but a chemistry kit for kids at Christmas is another altogether. Bento Lab co-founder Bethan …

Want to 'train your brain'? Forget apps, learn a musical instrument

The multimillion dollar brain training industry is under attack. In October 2014, a group of over 100 eminent neuroscientists and psychologists wrote an open letter warning that “claims promoting brain games are frequently exaggerated and at times misleading”. Earlier this year, industry giant …

The Brain

Swiss scientists have figured out what it is about pomegranates that can slow down the aging process

Pomegranates slow down the ageing process by prompting cells to recycle and rebuild themselves, Swiss researchers have shown.<p>The ruby red fruit was …

World Leaders

Step-by-Step Guide to Building Your Own Apple Computer on The Cheap

Meet your new ‘hackintosh’.<p>Apple computers are great, but they're often very expensive. So what's the solution if you want a super-powerful Mac …

How to Use Your Digital Calipers: 7 Tips

In order to take accurate measurements, it’s important to know how to use calipers properly. Digital calipers are your best friend when it comes to taking accurate measurements of small objects. For digital fabrication work (CNC mills, 3D Printers, CNC routers, and laser cutters) they’re downright …

Woodworking

Build Your Own Arduino Weather Station

In my youth, I had a friend who was a weather enthusiast. He had his own backyard weather station, and in a little black log book, every day, he would dutifully record wind speed and direction, temperature, humidity, barometric pressure, and rainfall. I thought it was tremendously geeky and didn’t …

Arduino

Remotely Monitor Temperature with Raspberry Pi

My brother-in-law Chris wants to build a wood-fired pizza oven in his backyard. Chris is an aspiring pizza chef at night, but a process engineer by day. Although his pizza oven will be built from age old sand and clay, veins of chromium and aluminum will be running through the walls. These veins …

Measure Sunlight with a DIY Solar Radiometer

No batteries, no switches — this analog meter is powered by the sunshine it’s measuring<p>Sunlight plays huge roles in life as we know it. The red and blue wavelengths of sunlight trigger the photosynthesis that is essential for the growth of plants. The tilt of Earth’s axis causes the seasons: It’s …

Build a Wi-Fi Drone Disabler with Raspberry Pi

Build a Pi-powered drone disabler to understand the security risks of wireless communications<p><i> <br>Please note: The information presented here is for educational purposes. As with all guides covering network and computer security, the techniques should only be performed on devices that you own or have</i> …

Raspberry Pi

Build a Coil Winder for Guitar Pickups and Other Projects

This project for me came about as just a step on my way to building a guitar. While most electronics in a guitar consist of basic, inexpensive components, a good pickup can be pricey. Its construction is also one of the biggest factors in how your electric guitar will ultimately sound. Building …

Disappearing Lake Powell underlines drought crisis facing Colorado river

The Colorado river and its tributaries took a hundred million years or two to carve the Glen Canyon out of the pink and scarlet sandstone which marks out the American southwest.<p>Its myriad gorges, sheer cliffs and towering spires remained a largely hidden secret. Prehistoric peoples farmed part of …

Colorado River

A 5 Axis CNC Mill for Less Than $5,000

Every time I come back from a Maker Faire someone asks me what my favorite thing was that I saw there. At World Maker Faire 2013, that was an easy question to answer, the Pocket NC 5 Axis CNC. The possibilities of what could be made with a desktop 5 axis CNC mill are enough to spark any Maker’s …

Printing

E=mc2: Einstein's equation that gave birth to the atom bomb

This is the most famous equation in the history of equations. It has been printed on countless T-shirts and posters, starred in films and, even if you've never appreciated the beauty or utility of equations, you'll know this one. And you probably also know who came up with it – physicist and Nobel …

Jimi's Last Ride

On the evening of August 26th, 1970, Jimi Hendrix walked through the street-level door at 52 West 8th Street in New York's Greenwich Village into …

Guitar

Practice Not As Important As Believed For Success

But don't use this as an excuse when you mess up at your piano recital.<p>You may have heard of the "10,000 hour rule," popularized in Malcolm Gladwell's book <i>Outliers</i>, which suggests that many people who have reached the top of their fields got there, in large part, due to practicing for 10,000 hours. …

The Fourier transform lets you have your cake and understand it

If there's a mathematical idea that applies itself to almost everything in everyday life but is almost unknown outside the scientific world, the Fourier transform has to be the most unsung contender. It pops up wherever scientists need to study complex things that fluctuate in the real world – …

No More Knife: The Stem-Cell Shortcut To Injury Recovery

Stephan Drake was halfway down a backcountry ski run in Alaska last March, filming with Sweetgrass Productions and Patagonia, when he aired over a steep spine onto an unexpected wind crust. The snow grabbed his right ski and Drake felt the unmistakable <i>snap!</i> of his knee ripping apart as he rolled …

Medicine

Type 1 Diabetes Finally Explained

Let me say this with no exaggeration. My whole life, all day, all night, every day and each night is about keeping my blood sugar between the red and yellow lines. Whether I'm wearing, or not wearing, my continuous glucose monitor (CGM), screen pictured below.<p><i>(The little white dots between the red</i> …

Special relativity creates its own optical illusion

Special relativity is best known for letting us know that, as a person's velocity increases, their perception of time slows down. It also creates an …

The 17 equations that changed the course of history

Mathematics is all around us, and it has shaped our understanding of the world in countless ways.<p>In 2013, mathematician and science author Ian Stewart published a book on 17 Equations That Changed The World. We recently came across this convenient table on Dr. Paul Coxon's twitter account by …

10 of the Maddest Scientists Who Ever Lived

From guzzling bacteria to dueling for mathematics, these scientists pulled some of the craziest stunts in the history of the profession.<p>What would you do for science? These scientists gave everything you had to achieve some of the most important advances we know today. From guzzling bacteria to …

Newton's Universal Law of Gravitation

Newton's equation first appeared in the <i>Philosophiæ Naturalis Principia Mathematica</i>, July 1687. It describes why that apple fell from that tree in that orchard in Lincolnshire. Whether or not that apple actually landed on Isaac Newton's head, as some stories would have it, this equation describes …

For $10, Convert Your Smartphone into a Microscope with Photo and Video Capabilities

[Update – 10:43AM 10/29/13] We actually built one of these $10 microscope stands. Take a look at the photos we took using it to see how well it works.<p>…

Microscopes

The Week In Numbers: Tuition For Space School, New Peanut Allergy Treatment, And More

<b>$45,000</b>: the cost to enroll in this FAA-approved spaceflight training program (that's only 18 percent of the price of a ticket on Virgin Galactic)<p><b>12 days</b>: the time this fruit fly spent in space. Back on Earth, something's not quite right…<p><b>7 years</b>: the age at which humans begin to forget their early …

Immune System

How To Find Our Planet’s Twin

What exactly constitutes an Earth doppelganger?<p>To date, most known extrasolar planets are gas giants like Jupiter or Neptune. Lacking even a solid surface, they are worlds very unlike our own planet. As the search for other Earths continue, a true Earth twin must satisfy five characteristics.<p>1) …

Materials From Carl Sagan's College Courses Now Available Online

Are you ready for Astronomy 170 with Professor Sagan?<p>I'm looking at the very first problem astronomer and science popularizer Carl Sagan assigned to one of his Harvard University classes in 1965. I'm already stumped. Can you do it? Sagan asked his students to derive the equation for the theoretical …