Author: craigshields

What determines who we are, how we think, and how we behave towards others? Why are some people more compassionate, and others more or less indifferent to the needs of other people?

Tagged with:

Here’s a discussion in the newsletter of the American Energy Society on the subject of the phase out of the tax credits for solar and wind.  Those who install solar currently enjoy an “investment tax credit” (ITC) of 30%, meaning …

Solar and Wind: What About Subsidies? Read More »

Tagged with: , , , , , , , , ,

Here’s something that should get the attention of all Americans: Our president is preventing us from receiving the truth about global warming. 

Here’s another post featuring the work of Italian artist Maurizio Rega, who, as far as I can tell, features trees in every piece.  And my Lord is this guy prodigious. He cranks out several of these every week, normally announcing …

Plant Trees Read More »

Tagged with:

Today’s LEDs are approximately 250 times more efficient (250 times more lumens per Watt) than those that first lighted Broadway in the late 19th Century. This has brought about some marvelous advantages, not only in terms of reduced power consumption, …

Cleantech Powers the Developing World Read More »

Tagged with: , , ,

A friend and I were talking about the threat to our civilization posed by runaway artificial intelligence; I recommended neuroscientist Sam Harris’s TED Talk on the subject (see below).  He writes: “It’s excellent. Though I don’t have a well-structured thought process …

Threats to Human Civilization Read More »

Tagged with: , ,

It’s good to see that Compressed Air Energy Storage (CAES) is still in the news.  Though it’s been around for decades, it hasn’t enjoyed successful commercialization, but perhaps that’s about to change.

Tagged with:

As shown here (larger version below), the United States comes in #53 in the Freedom House world freedom rankings this year.  This report offers some interesting reading as to how this was derived.

Tagged with: , , , , , , ,

The majority of Americans and the overwhelming majority of those living outside the U.S. are still scratching their heads, wondering how Trump continues to pull off his torrent of lies and his ongoing  outrageous behavior on a day-to-day basis. If …

Trump’s Greatest Asset Read More »

Tagged with:

About a decade ago, a client hired me to evaluate a start-up in the energy storage field called Advance Rail Energy Storage (ARES).  The concept is a variation on the theme of pumped hydro, which currently represents more than 95% …

Gravity-Based Energy Storage Read More »

Tagged with: , ,