Archive for the ‘Science’ Category:

2023-08-04 Climate Change Episode of PBS Newshour

Also has some current poll stats of how important the country thinks climate change is. https://www.youtube.com/live/ht2lRx7PazI?feature=share

2023-08-02 Smith Chart: How To Use and What It’s For

Great 9 min. YouTube video on why a Smith Chart is used and how to use it. It’s not that difficult. As with most things electronic, the user gets to learn how to use another tool to answer questions. In this case, the question is how much of the power is reflected from the antenna

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2023-07-31 Lack Of Sea Ice In Antarctica Has Climate Scientists Worried

Quote “”This could be linked to natural weather patterns, but he says what’s not explainable is that the warm layer has been getting “considerably warmer” since the 1960s. Could the fact that humans have added the heat equivalent to 25 billion atomic bombs like the one dropped on Hiroshima in the past 50 years have

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2023-07-24 Hydrogen Repurposing Pipelines For Hydrogen

This article is on repurposing pipelines such as natural gas for hydrogen transportation. There are so many ignorant badmouthers that say the sky is going to fall if the natural gas pipelines are used for hydrogen. The standards worldwide show that hydrogen pipelines are nothing new. Hydrogen has been made and transported for almost a

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2023-07-23 I Was Into Rockets When I Was A Kid

I joined the Reaction Research Society when I was a teenager. It’s a rocket club, still going strong: rrs.org. We went out to the Mojave desert to launch homemade rockets. Some went up to a mile high, some exploded on the launch pad. They used a mixture of powdered zinc and sulfur, which burns very

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2023-07-23 Hydrogen From Sunlight – Halide Perovskites

Making hydrogen from sunlight – photoelectrochemical reactions. https://interestingengineering.com/science/device-generating-hydrogen-using-sunlight-record

2023-07-19 Jeff Goodell “The Heat Will Kill You First”

A 20 min. YouTube interview of Jeff Goodell on his book The Heat Will Kill You First”. He tells how your body dies from excessive heat. Right now high temperature records are being broken in most parts of the US. Heat kills more people than other weather events.

2023-07-15 Why We Shouldn’t Build Nuclear Power

Adam Dorr of RethinkX 16.5 min. YouTube video. His book is Brighter Main reason: “”Cost – Nuclear power makes no economic sense. It really is that simple: it’s an open and shut case.”” “”We don’t need nuclear, or coal power or any other conventional power for base load. Research shows … Batteries make base load

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2023-07-14 Solve The Resistor Cube Problem

Last year I tried redrawing the cube in two dimensions and I could see how the vurrents were splitting but couldn’t solve it. Now here is a simpler solution that doesn’t require a lot of effort with whatever. I built the cube from 1k resistors and measured the value from corner to opposite corner, and

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2023-07-13 Tesla is the most wanted car brand in the US

Tesla is the most wanted car brand in the US. But I find this research a bit dubious. Tesla is the most wanted car brand in the US, study shows

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