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westdivo
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why does your hand not feel the radiant heat energy from a fireplace if you place it behind a sheet of glass, even though you can see the fire very easily?
zlbeidou said:what is the relation between the question and the greenhouse effect?
Radiant heat energy is a form of energy that is transferred through electromagnetic waves. It does not require a medium, such as air or water, to travel and can move through vacuum.
Hand is protected behind glass because glass is a poor conductor of heat and can block the transfer of radiant heat energy. This prevents burns or other injuries that can occur from direct exposure to radiant heat.
Radiant heat energy can affect humans by causing burns or other injuries if exposed to high levels for a long period of time. However, it can also be beneficial, as it provides warmth and comfort.
Some common sources of radiant heat energy include the sun, fire, heated objects, and electric heaters.
Radiant heat energy can be measured using instruments such as infrared thermometers, pyrometers, and heat flux sensors. These devices measure the amount of radiation emitted by an object and convert it into a temperature reading.