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It has to do with reflection and how glass magnifies heat. When the sun streams toward the window, the room or person near the window gets hot. Yet, if you touch the glass, the glass itself may feel cool or cold because the colder outside temperature affects the surface of the glass.
Next answer:
More specifically, it's because glass lets the energy in as light, but once it becomes heat, the glass doesn't let the heat back out. The energy gets trapped inside the building as heat.
And another answer:
More specifically still, heat can be transported in three ways, known as convection, radiation and conduction.
Convection is when a fluid (could be water, could be air) gets warm, moves to somewhere else and gives up the heat it got. This doesn't apply to this question because the window won't let air pass through it.
Radiation is when a warm object (could be the sun, could be a red-hot Poker) gives off radiation. This radiation can easily pass through a window.
Conduction is when an object is warmed in one place the heat travels through the object and arrives somewhere else.
A glass window is good at transmitting radiation - that's what transparent means.
Glass is a rather poor conductor of heat by comparison. The glass does not magnify the heat in any way : all it does is to allow the sun's rays to come in with almost no hindrance, while slowing down the loss of heat to the cold air outside.
What else can I help you with?
Why does ice form on the outside of a beaker containing dry ice?
The air around the beaker is cooled by the intense cold of the dry ice, causing water vapor in the air to condense and freeze on the surface of the beaker. This results in the formation of ice on the outside of the beaker.
What covers the windows when it freezes outside?
You can use insulating window film, thermal curtains, or even plastic sheeting on the inside of your windows to help keep cold air out and warm air in during freezing temperatures. These materials can provide an additional barrier to help keep your home warm and reduce heat loss.
Why are some parts of Africa cold even through they are near the equator?
places like Kenya and Tanzania where they have high mountains
Is Frost forms on a window pane positive or negative?
Frost forming on a window pane is generally considered a neutral occurrence. While it can be associated with cold temperatures, some people find it visually appealing or even nostalgic. However, too much frost can obscure visibility and indicate poor insulation in the window.
What does raindrops become when they fall through air at freezing temperatures?
depends on how cold anything from snow to sleet or even hail.
What stays hot even when its cold?
A microwave dinner or a heated blanket would remain hot even when it's cold outside.
Why does window fog even when warm air is blowing on them on car windshield?
Warm air contains more moisture than cold air. The air hits the cold window and the moisture is deposited on the cold glass. It is the same effect that causes your glass full of a cold beverage to start to drip down the sides.
Are turkey cold booled or warm blooed?
Turkeys are warm blooded, which means that they can make their own body heat even when it is cold outside.
Why water was cold in those jars even though the temperature outside was warm?
Evaporation cools the water
Why are glass windows called windows?
Glass windows are called windows because with the help of glass windows you can see the outside world even without open the window unlike the normal window.
Would two dogs get cold sleeping outside even with a blamket?
Yes they will they need a dog house to protect them from the elements. also depends on how cold it is and if the sun is out.
Is a bird that peks your window an evil demon?
No...it is just curious or wants to go outside or even sees its reflection...you do know that this is a silly question?
Why do my clothes always feel cold and damp even after drying?
Ok, you say you sleep with the windows open. If you live in an area like in a coastal zone the dampness is coming in through the window. Close the window and see if that changes the factors. If it doesn't look at the other environmental factors. You don't mention if you have a swamp cooler or window cooler or air conditioner. Anything that involves water will create dampness .
Can a bulletproof partition keep a cab driver from being shot?
Of course not. All taxi partitions until 2014 have had a window which is always open. Even with the window closed an assailant can always shoot through another window, even while staying seated, safely behind the partition.
How does a car without ac blow cold air?
Cold air is relative to your skin temperature. if your skin is 98.6*f, than 90*f air blowing over it will actually feel cool, albeit not very cold, even though when it is 90*f outside it is considered hot outside.
Can cold or hot body temperature cause a cold or sickness?
basically you can go naked outside, not get sick, unless if you have a warm body temperature... But if your body is using up its immune system to heat up the body, "sicknesses" can start to occur because your body has to be heated up even though your cold. Also you get the sicknesses through a virus that's in the air...
Is crow a warm blooded or cold blooded animal?
birds are warm-blooded, which means that they can make their own body heat even when it is cold outside. Whether it is sunny and hot outside or there is a snowstorm and it is very cold, warm-bloodedanimals have body temperatures that usually stay the same.
