# petrushka.googol

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1. ## Can someone help me on functions in c++ :(

Functions return a value but it can be an array... Recursive functions can call the same function again eg. Fibonacci
2. ## How does streamlined shapes reduce air resistance?

Through wind-tunnel simulations the outer skin of cars and aircraft are designed to be aerodynamically optimized, with low drag and smooth air flow.
3. ## Why does a straw look bent in water?

Refraction is responsible (which is caused by different speed of light in different (air / water) media).
4. ## Ammeters and RESISTORS IN CIRCUIT

Resistors in series add impedance. I = V / (R1 + R2 + ..... RN) //From Ohm's Law
5. ## Lack of magnetic field on Mars

The Earth's magnetic field is produced by a system of huge whirlwinds of molten metal in the outer core known as a "geodynamo". These vortices arise from a combination of two factors: convection, and the Coriolis force. Convection currents act as the basic pathways that the molten metals take, while the Coriolis effect causes the molten metal to spin and form into defined column-like structures, oriented on the same axis as the Earth's rotation. This process is called Dynamo Theory. In view of the above Mars has only a solid core that prevents the development of a global magnetosphere. (no differentiation into outer and inner core).
6. ## Laughter without any stimulant

I like the analogy of a capacitor with a dielectric. When the voltage reaches peak, the dielectric collapses and there is a spark. Similar to the trigger of spontaneous laughter.
7. ## Getting sick of the ugliness in your daily surroundings

Do some self-pep talk like - It could have been worse I can change those things that are possible to change and choose to ignore things that I can't The very fact that improvements are possible translates into optimism
8. ## maslow's hierachy of needs?

As per his evaluation of needs self-actualization was at the top of the pyramid, and I give some weightage to that ....
9. ## The psychological need of sleep

https://books.google.co.in/books?id=F21aBQAAQBAJ&pg=PA39&lpg=PA39&dq=does+sleep+restore+the+catecholamine+systems+of+the+brain&source=bl&ots=xjgvCl0aM3&sig=GO15vIc4nUFF3vRva6o34VL4vzU&hl=en&sa=X&ved=0ahUKEwjJ64y4n7XWAhVKM48KHf31CwcQ6AEILDAB#v=onepage&q=does sleep restore the catecholamine systems of the brain&f=false
10. ## Laughter without any stimulant

Grounding of nervous tension, something similar to a sigh of relief ....
11. ## The psychological need of sleep

Sleep helps in restoring the equilibrium of catecholamine related neuronal systems of the brain.
12. ## Celebrity deification

People of true character don't need to be deified, only inept individuals survive on flattery.
13. ## What are some of the causes of computer's to breakdown over time...say 5-6 years?

Voltage fluctuations (without a stabilizer) can damage the computers hardware. Monitor problems are known to occur after 2 years or so. Malware and Viruses / Worms can corrupt memory and overwrite the BIOS. Computer FAN malfunction and overheating are more common with desktop machines and large servers. These are just a few scenarios that may occur.
14. ## Accelerating Expansion of the Universe?

The expansion of the Universe could be described as "the time evolution of space". As an extension of this, the Universe could be described as "finite and unbounded".
15. ## Accelerating Expansion of the Universe?

The Universe is not expanding (in the conventional sense), the space between galaxies is increasing leading to red-shift of distant galaxies.
16. ## Simple searching

Google optimizes searches based on geographical locations. If you search for the same string in US or India, the results will be different (this is because google has different data centers for different geographies).
17. ## Distance in an Expanding Fractal.

AFAIK viewing a galaxy X from Earth that is significantly red-shifted would create the same "illusion" as the inverse observation. There are no absolute measurements in space only relative ones. Conservation of mass / energy / momentum apply here.
18. ## What are adaptive learning algorithms?

AFAIK It is an algorithm that re-factors itself as new inputs and test cases are generated, and thereby makes itself more relevant.
19. ## No Universe without the BB:

AFAIK an inflationary epoch requires a triggering event, which of course, is the BB. The Universe is undefined prior to the Planck time. That is all scientists are able to conjecture as of now, at least.
20. ## Is the CMB a Reflection of the Universe Before the Big Bang?

Yes, it is ubiquitous and reminiscent of the pre-inflationary epoch.
21. ## Chess diplomacy

Having played chess on the Internet with players from nations as diverse as Mozambique and Iran, to cite an example, I can endorse the fact that a kind of telepathic consanguinity develops between the players, even if it is only ephemeral. This is a prelude to the actual thawing of ice between otherwise discordant individuals. Better building bridges than building walls (Newton said so....).
22. ## Chess diplomacy

adjective (of a person or action) creating or controlling a situation rather than just responding to it after it has happened. In the context of political conflicts and differences of opinion.
23. ## Chess diplomacy

Having a tete-a-tete over a cup of coffee and a game of chess seems more proactive.....
24. ## Chess diplomacy

Computers are beating humans in chess but the man-man contest still elicits interest. How about training our diplomats in chess and have negotiations over a board of 64 squares ? (I have heard of romantic associations being formed over the chess board.).
25. ## Suggestion for a simple experiment in cognitive science that a group of people could participate in.

Learn to play Chess 960 (aka Fischer chess)....
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