As shown in the video linked here, advancements in high-efficiency LEDs have made it possible to bring lighting to places with no electrical power grid. The benefits are both clear and numerous, including eliminating the danger of fire, as well …
Category: Renewables – Science
One of Tesla’s Many Dreams
At a certain point in his life, Nikola Tesla thought about powering the world with Niagara Falls. Let’s do some rough math on that.
Tagged with: Tesla's Dream
Take a Cool Guess—The Fun Quiz on Renewable Energy and Environmental Sustainability. Today’s Topic: Science in American Media
Question: What’s the oldest continuously published magazine in the United States?
Tagged with: Scientific American
When It Touches ME, It Starts To Matter
For a great while it appeared that Trump’s approval rating would remain at ~40% regardless of how unhinged his behavior became, and that his supporters would be steadfast in their loyalty, whether it was based on his military and economic aggression, …
Tagged with: denial of science
Environmental Crossroads – More
In response to my post Environmental Crossroads, an old college friend writes, “Pretty black and white, Craig. Or is it red and blue?” It’s largely red and blue, unfortunately. How a matter of science became a political issue I’m not sure. …
High Voltage Power Transmission
Someone asked me why high voltages are used to transmit power over long distances, so I thought I’d make a post on the explanation. Power = current time voltage, and voltage = current times resistance. P = IV and V …
Tagged with: high voltage power transmission
One of Nanotechnology’s Bazillion Potential Benefits
Is it possible to cool an object to a temperature below that of its surroundings? Let’s consider that for a moment. If you take a pie out of your oven at 375°F and put it on the sill of an open …
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Science in the Cross-Hairs
As the United States continues its plunge into ignorance and hate, we often hear people ask, “How much worse can it get?” Though that’s normally posed as a rhetorical question, our country keeps coming up with some really excellent answers, as shown …
Tagged with: Science in the Cross-Hairs
The Ecological Magic of Trees
Green plants sequester CO2 as they grow by converting it via photosynthesis into carbohydrates. In almost all cases, these more complicated carbon molecules are broken down after the organism’s death and the CO2 is re-released in to the atmosphere; this …
Borowitz: Nation Apparently Believed in Science at Some Point
If there is a more clever person than The New Yorker’s Andy Borowitz, I sure would like to meet him. I urge anyone with both a sense of humor and a concern for the criminally absurd state of the U.S. federal …
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