Teddio Member Profile in The AnswerBank

weight of water

why is hot water heavier than cold water???

Hi All I currently have a Passat, 1.9 TDI 83k on the clock, I usually only drive 6k a year, but now need to do a lot more mileage due to work, probably another 6-7k. I service it every year and oil...

CAJ1

This is probably a stupid question...

but how does this work? I use messenger to speak to my boyfriend in Iraq, its amazing how fast you get each others messages even when you're really far apart. How do the messages get back and forth so...

Marijn

Electric Sonic Toothbrush

When low on battery, it is placed in a charger/holder and the red light comes on to show it is being charged. How is it charged without any wires or even physical contact needed from the toothbrush to...

Sonak

To Catholics regarding Ash Wednesday

Do you have to make confessions before Ash Wednesday or can you do it after? Many thanks

tony1941

3D effect on coloured LED signs

Has anyone got an explanation for why the sort of sign in food outlet windows saying "OPEN" in red LEDs witha surrounding ellipse of blue LEDs appears to have depth? The red field...

kopend

ground nearest the sea

which engkish league ground is nearest the sea (i am guessing it could be blackpool or maybe grimsby or heartlepool?)

Toleman

Falling into water

Imagine the greatest height it is possible to survive when landing into water. Would adding washing up liquid to reduce surface tention mean you could fall from higher and how much by? I obviously...

bobthebandit

How old is the Earth?

middkazsam

fiat punto jerking

My fiat punto 55s is jerking a struggling when accelerating, especially when cold. If i put my foot down it jerks around before finally reacting, any suggestions?

birdie1971

Ignition Speed of Aviation Fuel

Totally trivial this one. I've just watched Die Hard 2. At the end, Bruce Willis blows up the escaping plane by setting fire to the trail of aviation fuel leaking from the plane. I assume that this is...

dixieland

steam

if boiling water in a pot evaporates in to steam,why does'nt a puddle turn to steam when the sun heats up the ground

Bert

Hot water bottles

I just bought a new hot water bottle (for my wife - she feels the cold more than I do). On the bag it says "Do not fill [with] water from the domestic hot water system as this can prematurely degrade...

ellywellywoo

seperating salt from water

Hi hope someone out there can help please. My 11 year old daughter for her homework has to write how to seperate salt from water but at the end there must be a bowl of water and a bowl of salt. The...

bluetoon

mondeo mk3

went out in car yesterday and did a journey of about 15ml when i stopped at destination .icould smell a burning smell from the back wheel. when i touched it it was very hot. i released the handbrake...

bobclean

Weight of the earth getting lighter?

As we burn millions and millions of tons of oil, does this mean that the planet is getting lighter? At first glance, this seems silly, but after thinking about it, we are converting the mass of oil...

MWB

Prison Sentences.

I used to work with an ex policeman. Lovely chap he was. We got to talking one day about prison sentences. He believed that sentences should be in total, total isolation. He said for there to be no...

spoilmilk

Salt and water

how table salt in water makes a solution that can conduct electricity?

jonesyonline

astronomy beginner

HI I am looking to get into astonomy/star gazing as a hobby. Any reccomendations on books for beginners and the typs of telescope to start and progress with?? any advice would be great thanks

sbi17111995

chemistry

1.the gas obtained om the reduction of iron with carbon is: 2.a black substance that behaves both as an oxidising agent and a catalyst is

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