The quiet death of the incandescent light bulb

On August 1st, the incandescent light bulb finally went away and hardly anyone noticed or said anything. Although you can still use them if you have them, it is illegal to manufacture or import or sell them. It is hard to remember that the proposal to do away with these bulbs created right wing outrage that the government was trying to eliminate people’s freedom of choice, even though its initial replacement of halogen bulbs and now LED bulbs are far more energy efficient. Neither the incandescents nor the halogens meet the strict new energy efficiency standards.

Incandescent bulbs create illumination by running an electric current through a filament that heats it until it glows. Edison’s first practical light bulb used a carbonized cotton thread for that purpose; modern bulbs use tungsten filaments in an inert gas.

But incandescents are not very efficient. Only roughly 5% of the energy used by an incandescent bulb produces light; the remaining 95% or so is lost as heat. This is why you let an incandescent bulb cool off before unscrewing it.

They also burn out frequently, requiring replacement roughly every year.

The light-emitting components in LED bulbs, by contrast, are manufactured via the same process used to make computer chips, which makes them extremely efficient. They generate almost no heat and use up to 90% less energy than incandescent bulbs while lasting up to 25 times longer, according to the Energy Department.

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Adopting a healthy lifestyle for longer life

There seems to be an insatiable appetite for advice on how to improve one’s health and longevity, so it is not surprising that news items that claim to purport scientific research on the benefits of this or that diet or exercise or lifestyle choices appear regularly. The advice can sometimes be contradictory and thus can be confusing and lead people to tune out altogether, which is unfortunate. Since my personal motto is to act in moderation in all things, I tend to ignore recommendations that require taking extreme steps,

This article suggests eight lifestyle choices that can prolong life by as much as 20 years. Many of the recommendations seem like common sense, which appealed to me.
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Extra-terrestrials are obviously English speakers

Given all the depressing news in the world right now, it is refreshing to read about things that are really silly but taken seriously by people who should know better, like the members of Congress. I am referring of course to the hearings on so-called Unidentified Aerial Phenomena (UAP). On the surface is nothing remarkable about things in the sky that we have not as yet identified. But they have become identified in the minds of true believers with visitations by extra-terrestrials. Furthermore these people are convinced that the US government knows about these things but is hiding it from us.
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Green flash

I have never seen the so-called ‘green flash’, the brief appearance of green light just as the sun sets over the horizon. It requires special conditions for it it occur and although those conditions are not that rare, your chance of being in the right place for those few seconds is low. Fortunately with cameras, you can now capture the green (and even more occasionally blue and red) flashes as can be seen in this video compilation by Dutch filmmaker, photographer and artist Michiel de Boer.

The slipperiness of conspiratorial rabbit holes

A supporter of serial sex abuser Donald Trump (SSAT) who was also an avid consumer of Fox News is suing the media company saying that he was defamed by Tucker Carlson.

Fox News was hit with a defamation lawsuit on Wednesday by Trump supporter Ray Epps after former host Tucker Carlson repeatedly called Epps an undercover FBI agent who orchestrated the January 6 insurrection at the US Capitol.

Carlson said Epps, an Arizona resident and former marine, “helped stage-manage the insurrection” – a conspiracy he broadcast in nearly 20 episodes.

Carlson also told viewers that Epps was recorded urging the mob to enter the Capitol building, but that he never entered himself.
…

Epps claims he and his wife, Robyn, have received death threats and that their lives were ruined because of Carlson’s conspiracies.

The lawsuit reads: “As Fox recently learned in its litigation against Dominion Voting Systems, its lies have consequences.”

The lawsuit describes Epps as a “loyal Fox viewer and Trump supporter” and rejeted [sic] the notion he was a federal agent.
…

Legal experts noted earlier this week that while Epps will have to prove that Carlson’s claims damaged his reputation, he presents a strong argument and therefore probably has standing.

David D Lin of the Lewis & Lin LLC law firm said he believed “there is a lot of potential risk here to Fox and they need to take the claims very seriously,” before adding that Carlson could be personally liable if the suit included him.

Epps could face charges himself for his role in the January 6 insurrection. He was questioned by the House January 6 committee, though a criminal investigation is still ongoing.

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The allure of extreme temperatures

Parts of the US, especially in the southwest and west, are going through record-breaking heat waves. I am not personally affected by it since where I live in California, because it is on the coast, temperatures have so far not exceeded 70F (21C) this year. But as you go inland, the temperatures start rising dramatically even within just a few miles. Salinas Valley has been seeing temperatures of 100F (38C).

Death Valley National Park in California is notorious for its high temperatures even in normal years, and global warming has just accentuated it. But many people are drawn to visit it on even the hottest days precisely because of the heat.

Death Valley is hardly a stranger to elemental extreme and has long attracted those drawn to the edge. The park bills itself as the “hottest, driest and lowest” – the hottest place on Earth, the driest place in the United States and the lowest point in North America. Visitors make the trek there from around the world to experience its surreal, lunar-looking landscapes and dramatic temperature swings. A famously difficult ultramarathon, the Badwater 135 sees runners race across the cracked salt flat of the park each July.

But even by Death Valley standards, this has been a remarkable summer. The park, which set the world record for the hottest air temperature (a withering 134F, or 56.67C) more than a century ago, approached modern heat records this week. An excessive heat warning, involving daytime temperatures “well over” 120F and nighttime averages still hovering around the triple digits, remains in effect until Sunday.
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This week, tourists congregated around a display thermometer in front of the Furnace Creek Visitor Center, posing for photos as the temperature ticked from 123F to 124F. The impenetrable wall of desert heat, a shock to the system after being inside a chilled car, forced each group into the shelter of the visitor center after only a minute or two.

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There is no dark side of the moon

This comic illustrates a common misconception, that there is a side of the Moon that is in permanent darkness.

(WuMo)

In reality, as the Moon orbits the Earth, any hemisphere (‘side’) experiences equal amounts of sunlight and darkness, just like the Earth. What is true is that due to tidal forces caused by the Earth, the Moon is ‘locked’ with the Earth so that only one side faces the Earth at all times. As a result, it experiences cycles of two weeks of sunlight and two weeks of darkness as it orbits the Earth.

So while there is no dark side, there is such a thing as the ‘far side’ of the Moon that we cannot see from the Earth. The USSR space probe Luna 3 was the first to photograph the far side in 1959.

I am not sure when the notion that the Moon has a permanent dark side originated. Historically, the ‘dark side of the Moon’ was used colloquially (and correctly) to mean ‘hidden’ or ‘unseen’ but at some point became popularly associated with ‘unlit’. That idea may have gained popularity from the massive success of the 1973 Pink Floyd album The Dark Side of the Moon, although this was an allusion to lunacy and has nothing to do with astronomy.

Charging by the mile for gas

In the US there is a tax on gasoline and the revenues from that are used to pay for road and bridge repairs and maintenance. But revenues from this tax have not been keeping pace with needs due to Congress not being willing to raise the tax to keep up with inflation coupled with more fuel efficient cars and electric cars on the road, resulting in less consumption of gas. While the latter is a good thing in terms of greenhouse gas emissions, it means that much-needed infrastructure repair is not being done.

One solution that is being proposed is to switch from a gas tax to a mileage tax where people would be charged by the number of miles driven rather that the amount of gas consumed. This requires placing of a tracking device on the car and pilot projects have begun in several states, Oregon being the leader.
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The myth of multitasking

(I came across this old post of mine from back in 2011 that I thought might be of interest to those who had not seen it.)

Since I work at a university and am around young adults all the time, I have long been aware that young people today are avid consumers of multimedia, who are adept at emailing, texting, listening to mp3 players, surfing the web, checking up on Facebook, etc. It seems like they are quite proficient at multitasking.

I have always been a poor multitasker. I cannot read or do any work that requires serious thinking if I can hear conversation or loud noises in the background. I have found that I cannot even listen to music in the background when reading. But I know people who seem to thrive on that kind of ambient sound and even deliberately go to coffee shops to do work such as grading papers or writing, things that would be impossible for me.
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A sobering analysis of what it might take to overcome vaccine skepticism

Robert F. Kennedy, Jr. epitomizes the modern American success story. He has no notable achievements of his own but because of inherited family wealth and the well-known Kennedy name (he is the son of the late Robert F. Kennedy), he has the kind of influence that is so helpful in staying relevant. In fact, the ‘success’ of the entire Kennedy clan can be traced back to the ambitions of his wealthy grandfather Joseph Kennedy who paved the way to elite education and political success for his descendants.

Kennedy has now entered the contest for the Democratic nomination for president. He is a notorious anti-vaccine crusader and this will simply give him a platform to further propagate his views, while the family name will give him more publicity. Indeed his anti-vaccine misinformation got him banned from Facebook and Instagram and he used the loophole of his candidacy to get back on those platforms. He is also a hypocrite. While making all manner of outlandish and offensive claims about the dangers of vaccines, when he hosted a party at his home, he urged all guests to be vaccinated or be tested for Covid-19. He has also profited greatly from his anti-vaccine stance.
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