Robb Phoenix Member Profile in The AnswerBank

The circle with center infinity with infinite radius is the point zero on the complex plane?yes,no,why?

something my prof asked me..maybe has something to do with the one point compactification of the complex plane to define the infinity..not sure how the centre can be zero once you specify its at...

mollykins

opinions / cuteness of kitten

Why do humans have opinions? and more importantly why do matters such as whether a kitten is cute cause people to have opinions? It won't be that you were brought up that way such as an opinion on...

Robb Phoenix

I did a brief stint (ard 4 months) in AB last year and sort of lost contact with the site. Does anyone remember me here(no peeking in profile)? (i used to do this section and the science section). I...

sbi17111995

physics

as the bulge of the lens increases what happens

DarkMajes71c

Drugs? Legalise or not?

I was having a read of this article on the BBC news web site http://news.bbc.co.uk/1/hi/uk_politics/7386889 .stm#table It seems to me that the government has taken completely the wrong strategy here....

chakka35

Why won't my wife's watches work?

Whenever my wife wears a wholly-mechanical watch it stops, now matter how much or how little I paid for it. It then performs perfectly on me or on the shelf. But quartz watches work fine on her, which...

Segilla

Why / how does fanned air cool?

Please explain the physics of why it is possible to swelter in a hot room yet be cooled by the same air if fanned by it. I suspect it's to do with the number and rate of air molecules hitting the...

matt_london1

Why hasn't the earth crashed in to the sun yet?

If we drop a ball out of a plane it reaches its terminal velocity and then accelerates no more. This is due to resistance from air. In space there is no air to offer resistance to the path of the...

tigerlily11

Watches

reading Chakkas post reminded me of this. My sister in law can't wear a watch because every watch she has ever had (and thats quite a few over the years) has stopped after a few hours of her putting...

Marg0

can u tell when mobile phones go off?

before they start ringing? i sometimes can, I've been told it's quite rare. Should i be worried about radiation exposure?

arshad

First order differential equation

Can anyone help me solve this equation; y + 3dy/dt = x y=? Please remeber it's dy/dt not dy/dx Thanks!

Marg0

weird

why does nothing weird happen. like....something totally out of the ordinary, like reverse gravity, or a whole new dimension popping out. or do we just miss it?

snow_storm

body temperature

If your body feels cold what does it do?

magic_moo

plants

how do plants get there? nitrogen? carbon?

claymore

gravity vs expansion

As the universe expands and the galaxies move further and further apart, will the galaxies themselves increase in size as the space between the stars also expands . In the long run will the expansion...

R1Geezer

What would it take to convince you.....

That your religion is complete and utter b0ll0x? I am an athiest and although I accept that science does not have all the answers generally they are more believable more tested and bear more general...

claymore

Life in the universe....design or chance?

Do you think that the universe came into being and evolved like it has so that life could begin and flourish,or do you believe that life emerged only because conditions where it did were favorable?...

icemaiden

Punidhed!

I would really like some opinions on this please. My seven -half year old daughter came home today saying that she was punished in her R.E class because when they played some Indian (Pakistan) music...

tonyted

What is the best attribute?

Wisdom, knowledge or intelligence?