Yes. It senses the radiations from the source and measures the temperature being at a distance.
You don't. There is no difference in the type of energy, between the "conventional" and "non-conventional" types. What makes energy conventional or non-conventional is the SOURCE - a conventional source being one that has been used for a long time.
There are non animal derived gelatine, but there are plant based gelatine like substance know as pectin. Fruit is a very good source of pectin with apples being a good source.
A Non-Conventional source doesn't interact with objects.
a NON print source is a source that is not printed, like electronic media. A website.
a NON print source is a source that is not printed, like electronic media. A website.
yes; aquamarine gems are a non renewable source.
It is a source which does not produce light.
Non-renewable energy source means that the source will eventually run out and is not renewable.
Synthetic plastic is made from the non-renewable source petroleum. When we think of oil shortages we tend to focus on gasoline ignoring or perhaps being unaware of the many other products derived from oil refinement. See the link below for a simple explanation of how plastics are made:
A television programme or a live interview would be an example of a non-written source.
Diamonds are non-renewable.