welcome On Fri, 16 Jun 2023 at 23:46, gopala krishnan <[email protected]> wrote:
> Sir, > Thank you for the correction reg Q3 about Humming birds and details about > human population > in the QA posted. > Gopalakrishnan > > > > On Saturday, 17 June, 2023 at 09:20:10 am IST, Rajaram Krishnamurthy < > [email protected]> wrote: > > > Q3 200000 per day population is net of death. And few facts: > How many people can Earth actually support? > > It's no surprise that as the world population continues to grow, the > limits of essential global resources such as potable water, fertile land, > forests and fisheries are becoming more obvious. You don’t have to be a > maths whizz to work out that, on the whole, more people use more resources > and create more waste. > > But how many people is too many? How many of us can Earth realistically > support? > > Influenced by the work of Thomas Malthus, 'carrying capacity' can be > defined as the maximum population size an environment can sustain > indefinitely. > > Debate about the actual human carrying capacity of Earth dates back > hundreds of years. The range of estimates is enormous, fluctuating from 500 > million people to more than one trillion. Scientists disagree not only on > the final number, but more importantly about the best and most accurate way > of determining that number—hence the huge variability. > [image: ###some alt text]The majority of studies estimate that the > Earth's capacity is at or beneath 8 billion people. Data source: UNEP > Global Environmental Alert Service / One Planet, How Many People? (PDF) > <http://na.unep.net/geas/archive/pdfs/geas_jun_12_carrying_capacity.pdf> > > This is a little unsettling considering that as of September 2017, the > global population sits at 7.5 billion, and is continuing to grow by around > 80 million people per year. > > But whether we have 500 million people or one trillion, we still have only > one planet, which has a finite level of resources. Considering our > population will continue to rise for some time, how do we accommodate > everyone? The answer comes back to resource consumption. People around the > world consume resources differently and unevenly. An average middle-class > American consumes 3.3 times the subsistence level of food and almost 250 > times the subsistence level of clean water. So if everyone on Earth lived > like a middle class American, then the planet might have a carrying > capacity of around 2 billion. However, if people only consumed what they > actually needed, then the Earth could potentially support a much higher > figure. > > But we need to consider not just quantity but also quality—Earth might be > able to theoretically support over one trillion people, but what would > their quality of life be like? Would they be scraping by on the bare > minimum of allocated resources, or would they have the opportunity to lead > an enjoyable and full life? > > Perhaps Ghandi was right when he said ‘The world has enough for everyone's > need, but not enough for everyone's greed’. > > Considering that people in developed, westernised countries are not only > the highest consumers of all resources, but also the largest producers of > waste, it might be time to take stock of our own consumption patterns, and > consider what part we can play in ensuring a healthy future not only for > Earth, but everyone on it. > > xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > > Q3 Life forms: The phraseology may not be accurate. "Your skin is your > largest organ. And it’s teeming with trillions of microorganisms, like > bacteria, fungi, and viruses. These invisible life-forms are known as the skin > microbiome. They’re an important part of your overall health." even the > brain has neutrons. So they are life and death of any species. > > KR IRS 17 6 23 > > xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > > Q3 Hummingbird correction: other also do but the difference is: "The > hummingbird is the only bird that can fly backwards and upside down > without relying on the wind > <https://www.worldatlas.com/articles/which-is-the-only-bird-that-can-fly-backward.html> > . Other birds like warblers, herons, flycatchers, chickens, quails, and > pheasants can fly backward, but only for short distances or with the help > of the wind > <https://www.worldatlas.com/articles/which-is-the-only-bird-that-can-fly-backward.html> > . The hummingbird's unique wing design allows it to hover in mid-air and > move in any direction > <https://www.worldatlas.com/articles/which-is-the-only-bird-that-can-fly-backward.html> > . > > xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > > > > On Fri, 16 Jun 2023 at 19:45, 'gopala krishnan' via iyer123 < > [email protected]> wrote: > > *CULTURAL QA 06-2023-17* > > Q1 Is it necessary to use the dryer with a front load washer? > > A1 Marcus Moore, HVAC Superintendent (2019–present)9m > > No, a dryer is optional with a front load or top load washer. > > *2nd answer-Gopala Krishnan, Former Assistant* General Manager 1996-2004 > at Department of Telecom (1966–2004)0y > > I am writing this answer from Chennai, India. The best washed clothes > after washing will have at least 30% water with it. After using dryer, 20% > water will be removed and weight of clothes is reduced. The weight of > the cloth on clothes line is reduced, and drying will be more quick. > > Especially in winter when rain fall is continuous , dryer is a big > advantage. The dryer is more effective in semi- automatic machines. > > It is a practice to run dryer twice in automatic washing machines so > that 95% water is removed from clothes. > > *3rd answer- Claire Jordan, Worked at National* Health Service (NHS)4y > > Yes. Virtually every household in the UK has one. > > Q2 Why does an airplane increase its altitude during the flight? > > A2 Vishnu Ravi, Aviation Enthusiast | Content Creator 8h > > Airplanes soar to greater altitudes during flight for a multitude of > compelling reasons: > > *Fuel Efficiency: One cannot overstate the* significance of fuel > efficiency. As aircraft ascend to higher altitudes, the thin air > significantly diminishes drag, resulting in reduced fuel consumption while > maintaining optimal speed. > > *Enhanced Speed: The higher an airplane climbs,* the thinner the > atmosphere becomes, enabling it to slice through the air with heightened > efficiency and swiftness. This empowers planes to achieve greater speeds > and reach their destinations in shorter timeframes. > > Weather System Avoidance: By ascending to heights of 30,000 feet and > beyond, aircraft gain the advantage of evading turbulent weather systems. > This ensures a smoother and more comfortable journey for passengers and > crew alike. > > *Extended Emergency Response Time: Elevating to* greater altitudes grants > pilots valuable moments to address emergency situations or identify > suitable landing spots. Unlike light aircraft cruising at 10,000 feet, the > increased altitude provides an enhanced window of opportunity for > resolution. > > *Weight Optimization: As planes ascend into the* skies, the weight > distribution undergoes significant changes. The burning of jet fuel, > weighing approximately 6.7 pounds per gallon, leads to a reduction in fuel > weight as the flight progresses. Combined with the reduced resistance in > the thinner atmosphere at higher altitudes, this facilitates improved > overall performance. > > *Optimal Altitude Adjustment: When a flight* commences, there exists an > ideal altitude that ensures peak performance based on the aircraft's > weight. However, as the journey progresses and fuel is consumed, the weight > distribution alters, necessitating adjustments to maintain the optimum > altitude for maximum efficiency. > > While flying at higher altitudes offers numerous advantages, it is > imperative to acknowledge the inherent risks involved. For instance, the > effectiveness of aerodynamic controls and natural aerodynamic damping > relies heavily on indicated airspeed (IAS) and experiences limited > variation. Consequently, as altitude increases, the ability of aerodynamic > flight controls to influence the aircraft's trajectory or recover from > disruptions gradually diminishes. > > Q3 What are some mind blowing facts that most people don't know? > > A4 Fact sky, Answered by Krishna Kamat,8h > > Every day the world population is growing about 2,00,000. So, can you > guess how much pressure we are putting on this Earth? > > There are more life forms living on your skin than there are people on the > planet. > > *Hummingbirds are the only known birds that can also fly backwards.* > > *The shortest living animal in the world is the Mayfly. Its entire adult > lifespan is just 24hrs.* > > *The world’s first computer mouse was wooden, not plastic.* > > Google receives more than 99,000 searches every second. > > *India tops the list of Facebook users, having 329.65 million people > active on Facebook.* > > Q4 Can a pilot fly without a co-pilot? > > A4 Rebecca Williams, Experience in Aviation15h > > Most commercial aircraft that carry passengers or cargo *require two > pilots in the cockpit: *a captain and a co-pilot (or first officer). The > captain is the pilot-in-command and has the ultimate authority and > responsibility for the flight. The co-pilot assists the captain and shares > some of the duties and tasks of flying the plane. Both pilots are > qualified and trained to fly the aircraft, and they usually alternate > between flying and monitoring roles during different segments of the flight. > > Having two pilots ensures that there is always a backup in case one of > them becomes incapacitated or unable to perform their duties. It also > allows for better workload management, situational awareness, > communication, and decision making. Two pilots can also handle complex or > emergency situations more effectively than one. > > *Some smaller or simpler aircraft may be certified for single-pilot > operation, which means that they can be flown safely by one pilot only.* > These aircraft usually have less sophisticated systems and lower > performance than multi-crew aircraft, and they may have some automation or > technology to assist the pilot. *Some examples of single-pilot aircraft > are the Cessna 208 Caravan, the Beechcraft King Air, or the Cirrus Vision > Jet. * > > When the flight is conducted under certain conditions or regulations that > allow for single-pilot operation. For example, *some countries or regions > may allow single-pilot operation for certain types of flights, such as > private, charter, or cargo flights, as long as the pilot meets certain > requirements and follows certain procedures.* > > Q5 What is the most nutritious food for seniors? > > Recipes and Food, Food Lovers | Healthy Eaters | Taste Lovers Jun 3 > > As seniors age, their nutritional needs change. They require fewer > calories but still need all the essential nutrients to maintain good > health. The key is to eat a variety of nutrient-dense foods that provide > optimal nutrition without excess calories. Here are some of the most > nutritious foods for seniors: > > 1. Fatty fish: … > > 2. Leafy greens: Dark, leafy greens such as spinach and kale are rich in > vitamins A, C, and K, as well as calcium, iron, and antioxidants. They can > help reduce the risk of chronic diseases such as cancer and cardiovascular > disease. > > 3. Berries: Berries such as blueberries, strawberries, and raspberries > are rich in antioxidants, which can help prevent damage to cells and reduce > the risk of chronic diseases. They are also a good source of fiber. > > 4. Whole grains: Whole grains such as brown rice, quinoa, and whole-wheat > bread are rich in fiber, vitamins, and minerals. They can help reduce the > risk of heart disease, diabetes, and certain cancers. > > 5. Nuts and seeds: Nuts and seeds such as almonds, walnuts, chia seeds, > and flaxseeds are rich in healthy fats, protein, and fiber. They can help > lower cholesterol and reduce the risk of heart disease. > > 6. Yogurt: Yogurt is a good source of calcium, vitamin D, and probiotics, > which can help improve digestion and boost the immune system. Choose plain, > low-fat yogurt to avoid added sugars. > > 7. Legumes: Legumes such as beans, lentils, and chickpeas are rich in > protein, fiber, and essential vitamins and minerals. They can help reduce > the risk of heart disease, diabetes, and certain cancers. > > 8. Lean protein: > > By incorporating these nutrient-dense foods into their diet, seniors can > improve their overall health and reduce the risk of chronic diseases. It is > important to consult with a healthcare provider or registered dietitian to > determine the appropriate nutrient intake for each individual. > > *All the above QA are from Quora website on 17-06- 2023.* > > *Quora answers need not be 100% correct answers .* > > *Compiled **and posted by R. Gopala krishnan, on 17-06-2023* > > > > -- > You received this message because you are subscribed to the Google Groups > "iyer123" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/iyer123/23660514.726036.1686969931647%40mail.yahoo.com > <https://groups.google.com/d/msgid/iyer123/23660514.726036.1686969931647%40mail.yahoo.com?utm_medium=email&utm_source=footer> > . > > -- > On Facebook, please join https://www.facebook.com/groups/keralaiyerstrust > > We are now on Telegram Mobile App also, please join > > Pattars/Kerala Iyers Discussions: https://t.me/PattarsGroup > > Kerala Iyers Trust Decisions only posts : https://t.me/KeralaIyersTrust > > Kerala Iyers Trust Group for Discussions: > https://t.me/KeralaIyersTrustGroup > --- > You received this message because you are subscribed to the Google Groups > "KeralaIyers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/keralaiyers/CAL5XZoqbjBN1OZU2CDwO2MR2tO5G3zdF%3Df0CeCVFkF-TWbh9MQ%40mail.gmail.com > <https://groups.google.com/d/msgid/keralaiyers/CAL5XZoqbjBN1OZU2CDwO2MR2tO5G3zdF%3Df0CeCVFkF-TWbh9MQ%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Thatha_Patty" group. 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