Category Archives: Misc

The United States of Moon

Have you ever wondered how big the Moon would look if it were placed on the ground here on Earth? How much area do you think it would cover? Well, wonder no more. Here’s the US map projected on the surface of the Moon:

moon

I agree with boreboarder8, who created this demonstration, that this does make the Moon appear much smaller than what I had imagined:

It was difficult for me to fathom the size of the moon, thus inspiring the creation of this map. For me, this map puts the scale of the moon much smaller than I previously imagined. But it’s really interesting hearing how others (already grasping the size of the moon) now see the US as larger.

Keep in mind that this is a rough estimation. It’s one thing to try to project spherical earth on a flat map, and another to project a spherical US map on another (smaller) sphere.

[Source: Reddit]

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Previous “Sense of Proportion” posts: I, II, III, IV, V, VI.

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Hawa Paani

That’s how much water and air we have (left) on planet Earth.

Conceptual computer artwork of the total volume of water on Earth (left) and of air in the Earth’s atmosphere (right) shown as spheres (blue and pink). The spheres show how finite water and air supplies are. The water sphere measures 1390 kilometres across and has a volume of 1.4 billion cubic kilometres. This includes all the water in the oceans, seas, ice caps, lakes and rivers as well as ground water, and that in the atmosphere. The air sphere measures 1999 kilometres across and weighs 5140 trillion tonnes. As the atmosphere extends from Earth it becomes less dense. Half of the air lies within the first 5 kilometres of the atmosphere.

[Source: Science Photo Library]

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Previous posts on “A Sense of Proportion”: I, II, III, IV, V.

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Santa Venn

Happy Holidays!

Previously on this blog: Lord Shri Santa, And They Have Beards Too! (Another Santa Venn diagram.)

[Hat Tip: Junk Charts]

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Worshipping the Gods

Sadhus wearing posters of Indian cricket players as they pray for the team’s victory in the World Cup Final.

Previously, on this blog (pictures): Lord Shri Santa, Frolic First, Salvation Later

[Via @mvatlarge]

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The Mediocrity Principle

Some of the most brilliant minds on our planet respond to this year’s Edge question suggested by Steven Pinker. The question is: What scientific concept would improve everybody’s cognitive toolkit?

There are many good entries but I was especially intrigued by the responses from Sean Carroll, a Theoretical Physicist, and P Z Myers, a Biologist. Both argue that the concept that people need to grasp to better comprehend our place in the universe is to understand that we are not special. In Carroll’s words:

This isn’t an obvious way for people to think. Looking at the universe through our anthropocentric eyes, we can’t help but view things in terms of causes, purposes, and natural ways of being. [...] Human beings like to insist that there are reasons why things happen. The death of a child, the crash of an airplane, or a random shooting must be explained in terms of the workings of a hidden plan. When Pat Robertson suggested that Hurricane Katrina was caused in part by God’s anger at America’s failing morals, he was attempting to provide an explanatory context for a seemingly inexplicable event. [more]

Myers calls it the “mediocrity principle”:

The mediocrity principle simply states that you aren’t special. The universe does not revolve around you, this planet isn’t privileged in any unique way, your country is not the perfect product of divine destiny, your existence isn’t the product of directed, intentional fate, and that tuna sandwich you had for lunch was not plotting to give you indigestion. Most of what happens in the world is just a consequence of natural, universal laws — laws that apply everywhere and to everything, with no special exemptions or amplifications for your benefit — given variety by the input of chance. Everything that you as a human being consider cosmically important is an accident. The rules of inheritance and the nature of biology meant that when your parents had a baby, it was anatomically human and mostly fully functional physiologically, but the unique combination of traits that make you male or female, tall or short, brown-eyed or blue-eyed were the result of a chance shuffle of genetic attributes during meiosis, a few random mutations, and the luck of the draw in the grand sperm race at fertilization. [more]

This has been a recurrent theme on this blog (see, for instance, Seekers of Depth and Profundity). Our innate proclivity to seek deeper and hidden meanings in everyday events, struggles and conflicts is responsible for making us seek higher meaning in the existence of life itself. But science (more specifically, evolution) tells us otherwise: we are products of a random, unsupervised and impersonal process. Just like apes, monkeys, whales, bugs, worms and bacteria. Our existence is not a part of any Grand Scheme (supervised by a Supreme Being). We just exist.

However, this needn’t be disheartening. Carroll sums it up succinctly:

None of which is to say that life is devoid of purpose and meaning. Only that these are things we create, not things we discover out there in the fundamental architecture of the world. The world keeps happening, in accordance with its rules; it’s up to us to make sense of it and give it value.

P. S. All entries can be found on the Edge web-site (link). Do check out We are Lost in Thought by Sam Harris, and Positive-Sum Games by the man himself.

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Lord Shri Santa

The little-known Santa incarnation of Vishnu.

It’s not a mere coincidence that the word Saint/Santa is very similar to the Sanskrit word sant, which means holy or spiritual person. ;-)

Merry Christmas!

[Via @mvatlarge]

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Frolic First, Salvation Later

Picture link from here. Hat tip goes to Prem Panicker.

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The Westward Journey

Here’s an  interesting “center map” that shows the mean center of US population from 1790 to 2000. (Click on the image to view a larger version.)

800px-Mean_ctr_pop_US_1790-2000

The mean center of population is defined as the point at which an imaginary, flat, weightless, and rigid map of the United States would balance perfectly if weights of identical value were placed on it so that each weight represented the location of one person on the date of the census.

While the westward journey can be simply explained by the expansion of US population, the southward journey coincides with the invention of the modern electrical air-conditioners in the early 1900′s.

I wonder what the mean center of population of India is… somewhere in Madhya Pradesh, may be? Although Indians have been moving around more than ever before, the center of population has probably remained stable because the movement (which surely is directed towards the urbanized areas)  may not be in any specific geographical direction.

[Hat Tip: Strange Maps]

[Picture courtesy: Wikipedia]

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Cattle Class

The recent Twitter controversy about Shashi Tharoor’s “insensitive” remark reminded me of this cartoon by Mike Luckovich published about two years ago.

luckovich2006112680423 - Airline Passengers

The joke, as Amit Verma explained on Times Now show, is on the airlines, not on the passengers.

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And They Have Beards Too!

santa or...

[Source: Indexed]

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