Climate change is real, and due to human activity. The accession of climate denial to control of the US federal government is a clear and present danger to all of us. What can be done?
Though ukelele never quite goes away, now it's 'back again.' But being heard in a band situation can be tough without a pickup. Here's how to install one without much fuss or expense.
Elizabeth Kolbert's "The Sixth Extinction" won the 2015 Pulitzer for non-fiction, deservedly, for its blend of places, people, creatures and science. Get the gist in this lavishly illustrated Hub.
Live-blogging the presentation of the text of the new Paris Accord: wisdom, folly, hope, and suspense. Can we call ourselves 'sapiens' once again?
A 'challenge Hub' documenting numerous successful climate change predictions--great and small.
The second of Doc's series on part-writing seventh chords: clear explanations and interactive exercises to help you master the essential skill of part-writing half-diminished seventh chords.
What do we do about climate change? The answer is subject to intensely polarized debate. What information is trustworthy? Here's how we know climate change will be mostly bad.
What do we do about climate change? The answer is subject to intensely polarized debate. What information is trustworthy? Here's how we know that global warming is changing our world.
What do we do about climate change? The answer is subject to intensely polarized debate. What information is trustworthy? Here's how we know that humans are responsible for rising CO2.
What do we do about climate change? The answer is subject to intensely polarized debate. What information is trustworthy? Here's how we know that CO2 warms the climate.
Some think that humans are too 'puny' to 'change the course of nature', so the theory of human-induced climate change must be wrong. But how special does a species have to be to change the world?
Is the "renewable revolution" for real? Deployment has been exploding, and prices plummeting, but is it enough to solve the carbon crisis? Can these trends be sustained? A search for answers.
The first of Doc's series on part-writing seventh chords: clear explanations and interactive exercises to help you master the essential skill of part-writing the dominant seventh chord.
Summary table and comments for "Three Degrees," according to Mark Lynas's "Six Degrees," with updates (as available.)
"Choosing Our Future" is the culminating chapter of Mark Lynas's "Six Degrees." In it, possible strategies for the preservation of human prosperity--and, indeed, culture--are examined.
Summary table for "Six Degrees," a chapter in the book of the same name, by Mark Lynas. Updates to be added, as available.
Summary Hub (with table of potential impacts) for "Five Degrees," from Mark Lynas's "Six Degrees." Updates included as available.
Summary table for the "Two Degree World," according to Mark Lynas's "Six Degrees," with updates (as available.)
Mark Lynas's "Six Degrees" is a modern classic, outlining potential effects of various levels of global warming. It's summarized, evaluated, and updated here, with links to 7 supplementary Hubs.
Climate change is increasingly recognized as being observable today. But if we want to do something about it, how much time do we have to do so? Personal and scientific reflections on this question.
In May 2013 the iconic Mauna Loa Observatory measured a daily carbon dioxide value above 400 parts per million, a 40% human-driven increase. But we aren't the first to transform Earth's atmosphere.
Wheelbarrows get old, but that doesn't necessarily mean they must be replaced. Here's how one common model was rejuvenated instead.
There's nothing wrong with Turner Field and Coca-Cola World, but you can spend less off the beaten track while getting just as much local flavor. Here's a fun half-day outing for a rainy day.
Part-writing second-inversion triads is paradoxically both easier and more 'dangerous' than root-position or first-inversion triads. Find out why here--and learn to navigate the tricks and traps with video examples and...
Part-writing is an essential discipline in really mastering traditional music theory, and triads in inversion add great nuance and musical flexibility to the harmonic palette. This Hub examines usage of triads built on...
The economy, foreign policy, justice--all weighty issues touched upon in the Presidential and Vice-Presidential debates of 2012. But the issue that will shape more lives for good or ill for longer was conspicuous by...
How to use inverted triads in common-practice four-part writing. Learn to write tonic, dominant and subdominant in first inversion--these explanations, illustrations, and practice examples make it easy! (Follows a...
Arctic sea ice is 'far away' for most of us--but will it become 'long ago', too? There's reason to fear just that--here's why the author cares, and why more practically-minded readers should, too.
When the two washing machines in my life both quit, and it turned out to be the same problem with each, it seemed a clear message from the cosmos: write a Hub about this inexpensive DIY fix. Find out if it is the...
It is much less difficult to change a fridge door water filter than many people think. Here's how it works for the Samsung RS265TDRS.
Refreshing tired dressers can be easier and faster than you might think--and can deliver great value. Here's a case study!
Some argue that greenhouse warming is thermodynamically impossible. But observations and experiments going back as much as 350 years tell a different story. Among the first to study radiation in the atmosphere was...
This, the second of two Hubs on part-writing in minor keys, teaches useful voice-leading patterns for writing mediant, sub-mediant, and sub-tonic triads. Tricks, traps, and practice questions to build your skill!
Part-writing in minor keys, the sixth in a series of Hubs on the skill of part-writing, looks at issues and common voice-leading patterns in writing root-position tonic, dominant, subdominant, and supertonic triads in...
The triads built upon scale degrees 3 and 6--the mediant and submediant chords--are the least common but also the most colorful diatonic triads. Learn (and practice) their common patterns of usage here!
Music and memory intertwine: The Doors' most innovative album, "Strange Days," analyzed and remembered. What it was, is, and why it mattered so much to me.
Learn to use the 'ii' chord in true Classical style with essential concepts, practice exercises, and audio-video examples. This fourth Hub in Doc Snow's series on part-writing teaches you proper doubling and...
A companion to "Part-Writing Chords: Tonic And Dominant I," this Hub consists of practical exercises to build skill in part-writing tonic and dominant chord connections. Get to know I-V-I in many different...
The US Congress seems poised to create a new Star Chamber with the "Battlefield USA" language contained in the about-to-pass National Defense Authorization Act. Can they possibly be that foolish?
How to write the most common Classical chord progression, with audio/video examples and easy-to-understand explanations. The concepts of a "lead sheet," of chordal "voices," of "spacing"...
Andrew Weaver's "Generation Us: The Challenge Of Global Warming" is a "RapidReads" book--a "plaine and easie" introduction to climate change, readable in a couple of hours. Learn more...
"Practice, practice, practice!"--But what about practicing *smarter*? This article gives ten useful tips to do just that. Get better, faster!
The solar 'fire' sustains us--but it's not just the direct solar radiation we need; there's also the less intense 'fire' of thermal radiation from the atmosphere, often called 'backradiation.' Harder to measure than...
We depend upon the 'fire' of solar radiation for our very lives. But how intense is this fire? Does it change? Here's the story of these questions and their answers--and of the people investigating them.
Activists, researchers and ordinary people expressing their concern about climate change have been called "eco-Nazis" or "green Fascists." Yet it is they who have been vilified, suppressed and...
Chords with "tensions" often confuse because of the their similarities with extended chords--ninths, elevenths and thirteenths. But "sus" and "add" chords add a lot of variety to...
Trash day in suburbia usually reveals a broken chair or two at the curbside. Many of them can be fixed and put back in service with little effort or expertise. Here's how!
In traditional harmony, seventh chords are the next step up in complexity from triads; they give many more available colors to composers. Learn the basics about seventh chords here!
We often hear claims that "global warming stopped" in such and such a year. What basis is there for these claims, and who is making them?
If you have an animal companion in your home, it can do wonders for the satisfaction of all concerned to allow free access to the outdoors. It can be easier (and less expensive) than you might think. Read how--and how...
Chords are important musical building blocks, of course, but they aren't just isolated 'things.' Rather they belong more or less naturally in certain 'keys.' Learn about them here!
The famous "blue marble" photo of the Earth shows a water planet. But water, "the element of change," is important to Earth in less obvious ways, too. Here's how it operates as a greenhouse gas.
Chords are a musical basic--but what are they, really? Here's a beginner's guide, with written and audio examples.
Replacing an exterior door isn't like it used to be, back when you built your jambs from scratch and hung the door itself with elaborate care. In fact, it's very possibly within YOUR reach--especially with this...
If you have traditional wooden fascia boards on your eaves, then they will need maintenance at some time or another. It's not so terribly hard. Here's some tricks and traps, described and photographed.
If you're looking for great Chinese and Thai cuisine, a friendly yet elegant atmosphere, great service and reasonable prices, you can find it at Lavender. Read more here--including how to get there!
Looking for some great outdoor recreation in Gwinnett County, Georgia? The Gwinnett County Park system is a source of justifiable pride. Read about three of its "jewels" here!
An enhanced-content review of Gwynne Dyer's "Climate Wars" (2010.) Climate change is of deep concern to national security professionals the world over. Find out what they are worrying about.
An illustrated guide to restringing an acoustic guitar. If you've been too intimidated to try this yourself, pluck up your courage and save yourself $15!
A free printable blank Sudoku grid, all ready for your deepest Sudoku thoughts.
Guy Callendar lived through the tumults of early and mid-twentieth century England, doing technical and defense work. It's ironic that his innocent hobby led right back into the most polarizing political issue in the...
Scientists are expected to live and die on the quality and integrity of their data analysis—but usually that is a metaphor. Not for Nils Ekholm! Read the story of this remarkable scientist, self-made man and...
Applying lap siding needn't be terribly difficult. Here's a detailed photo guide to the process--as it works in the real world.
You've been lied to. That's the message of "Climate Cover-Up," by PR professional James Hoggan. Find out when, how, and by whom in this enhanced-content review.
"The Long Thaw" is a modern classic of science exposition, setting forth the physical basis for how the greenhouse effect and Earth's carbon cycle work. Get the gist with this enhanced content summary review.
In 1896, Svante Arrhenius published a scientific paper containing the first mathematical model of CO2-induced global warming. It took him a year of laborious hand calculation, and proved quite influential. But he...
More and more folks are changing to the newer, more environmentally-friendly low-flow toilets. You can save a bunch by doing it yourself. Take the intimidation factor out by using this elaborately detailed...
Dr. "Wally" Broecker is a "grand old man" in the field of climate science, having correctly predicted the global warming trend we've all been living with back in 1975. Here's his story, and his take...
John Tyndall, a one-time railway surveyor, made himself one of the most prominent physicists of nineteenth-century Britain. But today he's remembered best for his discovery of the mechanism of the greenhouse effect. ...
Claude Pouillet rose from obscurity to become a scientist, educator and legislator. He was the first to make a reasonably accurate estimate of the so-called "solar constant." Read about his dramatic life...
Some think that the story of global warming science began in the 1990s. But the first paper on the topic was written by a scientist and mathematician who was also an administrator in the government of Napoleon...