NewScientist The Last Word - Tag 'heating' details

Tag 'heating' details

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Why do black things absorb more heat?
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Asked by stella1
on 2010-06-19 05:38:53

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Last edited on: 2010-06-20 06:28:58

Categories: Our universe.

Tags: heat.

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How is heat transferred as radiation How does the quantity of the heat transferred relate to the frequency / intensity of the wave?
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Asked by cindi
on 2010-05-11 09:27:09

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Categories: Our universe.

Tags: heat, radiation.

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Why do we feel infrared light as heat? Do we feel heat from light of other frequencies?
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Asked by cindi
on 2010-04-28 09:41:11

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Categories: Human Body.

Tags: light, heat, InfraRed, perceive.

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movement in a bathtub when you are in a bathtub filled with hot water and you stay still for a while the water seems to be cooling but as soon as you move it slightly you would feel the heat coming back? is it because your body absorbs the heat from the water in that specific area? (if the body can do such thing, that is!) or is it something else?
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Asked by Al-Anoud
on 2010-03-10 18:33:11

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Categories: Human Body.

Tags: heat, hotwater, movement, bathtub.

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Heating a liquid on a gas stove produces steam, when the heat is removed suddenly the amount of steam increases. Why is this?
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Asked by Cosmo_For_King
on 2010-02-18 21:58:47

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Categories: Domestic Science.

Tags: cooking, heat, kitchen, steam.

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Can heat from hair straighteners travel up the hair shaft and destroy the follicle, causing permanent hair loss? If so does this depend upon factors such as length and texture of hair, amount of straightening, and temperature of straighteners (average 210 - 220C)?
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Asked by originalandbest
on 2010-01-25 21:18:24

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Categories: Human Body.

Tags: heat, hair, straightening.

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Does a room get hotter when you boil a pot of water?

My girlfriend and I were having an argument the other day. Sometimes when it is cold in the kitchen, I turn in the gas hob to warm the place up. The argument is that she claims that the room gets hotter if you put a pot of water on the hob to boil and let the room get steamy. I disagree and think that the room gets just as hot without boiling a pot of water.

Who is right? Does the room get hotter with the pot of water or does the room get just as hot without it?

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Asked by lazyscience
on 2010-01-09 14:31:08

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Categories: Domestic Science.

Tags: water, temperature, cooking, cold, heat, science, kitchen, Boilingwater, hot, steam.

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In hot weather my loft can be almost 20 °C warmer than my cellar. Is there anything useful or interesting I can do with this? The cellar in question is three floors below the loft. David Clarke, Manchester, UK
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Asked by Moderator
on 2009-11-18 14:58:29

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Categories: Domestic Science, Unanswered.

Tags: temperature, heat, cellar, loft.

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How does the body get electrical energy from food?

In common parlance, one would say the body 'burns' food, and, indeed, we are warm creatures due to some kind of exothermic reaction(s) inside us, yet our muscles and brain work on electrical impulse. Is this the most efficient conversion of heat to useful energy we know of, or is the electrical energy converted from chemical potential energy somewhere?

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Asked by Cifer
on 2009-11-04 09:41:31

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Categories: Human Body.

Tags: Food, electricity, brain, energy, heat, body, muscle, Bodytemperature, electrical, metabolism.

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Why are the surfaces of metal and tiles in the house not at room temperature at any time of day? Surely if they are good conductors then they will absorb the heat easily, just as they do when you place your hand onto the surface?
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Asked by TheMonk
on 2009-09-30 23:05:02