Breaking free from energy dependence
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Ray Kopp enjoyed tooling around in a hydrogen- powered Honda prototype vehicle so much that, for a moment, he pictured driving one home.
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Six tips for easing re-entry after a vacation.
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Winterize your home for big energy savings
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Particles that capture infrared light could allow everyday objects to tap into an under-exploited source of energy.
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A startup promises to install solar panels on your roof for free, and sell you the power for pennies. Is it a revolution, or clean-energy vaporware? By Marty Graham.
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How do we create energy and sustain our environment? A panel of scientists lays it out simply. Conserve, invest, clean up the developing world. Repeat.
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People are giving up burning calories for just consuming fewer of them, research suggests.
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Reverse your thinking to find opportunity.
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Nutrition, obsession, global business:  an exploration of our second most basic desire.
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One recent Saturday morning, I woke with one seemingly simple thing in mind: cleaning out and organizing the closets in my bedroom. If my closets were a database system, the contents would be stored as BLOBs (binary large objects) of varying sizes with no defining structure â just a dumping ground for stuff. As I began dragging things out of the closet, I found items as varied as a backpack, a pair of old ski gloves, about 10 square feet of foam padding, and pocket change in three different international currencies (anyone need Thai bahts?). Faced with a mound of the messy detritus of my own life, I did what most people would probably do: I went to the store to buy even more stuff to organize the stuff I already had.
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A way to measure energy levels inside living heart cells could ultimately aid heart attack recovery.
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HERE was a time, not so long ago in my more carefree youth, when I was a dedicated backpacker.   It went beyond the standard gapyear routine, and most summers I could be found in some distant corner of the globe, living the life of an adrenaline junkie.
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Empty your cupboards of chemicals and harsh pes
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I am often     warned that my time here at Kuro5hin exacerbates my symptoms of mental illness.   But in one very important way Kuro5hin serves as a medical device that enables me   to enjoy a certain very important component of sanity that would otherwise be   largely unavailable to me.    It enables me, for a time, to live free of a devasting symptom that was notably   absent from my list of symptoms that I published in three years ago in     Living with Schizoaffective Disorder because I was at the time so completely   in its grip as to be unaware even of its existence.  While I had by then undergone   over a decade of psychotherapy, I had not yet gained the insight necessary to   recognize this symptom, let alone do anything about it.    As I will explain, it is also one of the most difficult symptoms for mental   health practitioners to treat.  While some claim that some newer medications can help,   that's not my own experience.  I have found that talk therapy helps, but only very slowly,  over a period of years.
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Using mental tricks, or dissociating, can get you to the finish line faster.
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On the SitePoint PHP blog today, Troels Knak-Nielsen has written up an article that talks about dependencies in your applications - those little interconnections your code relies on to do more with less.   In lack of better words, I'll call this compositional programming style. It's a style which is usually more prevalent with experienced programmers. [...] There is, however, a dark side to composition - dependencies.   He starts with a definition to bring everyone up to a level field then moves on to how their used (through a "global symbol" or directly passed in) and how they can "leak" if you're not careful.    To help protect you and your code from any kind of damage down the line, Troels suggests making a container to keep objects where they need to be. He even includes an example with namespace support to make things even easier down the road.
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Here's a little trick that can make all the difference.