Tagged Questions
4
votes
4answers
795 views
How does radio receives signal from particular station?
When you tune your radio (digital or analog) to receive say 100 MHz frequency and while in the environment there are hundreds of channels everywhere around the radio. How does it chooses to receive ...
4
votes
1answer
249 views
What is the purpose of a “protect from light” warning?
Some food or medical items, like rasberry juice concentrate I just bought, have a "protect from light" warning on the label. How can light influence products like milk and what does this warning mean ...
