why older cars need long extendable antennas for radio reception, while modern cars often only have little stumps on the top but still good reception

Question

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In: Technology

Answer 1

The same reason all the computing power used to take up a large room (look at the tech we used to send people to the moon) and now all that power is held in one hand.

As technology advances we reduce the size and also reduce the cost to manufacture it, but also make it work better as we understand it more.