antenna

A poster on the LC forum keeps asking about the spire and why it didn't topple over. I suspect this topic has been addressed here. Can someone direct me to the thread, or briefly explain the physics of this phenomenon? The poster wrote: The northwest side of the WTC 2 was relieved of most...

What is the value of a little antenna in a cell phone? The cell phone I have now has a retractable antenna that can come up about an inch. I never use it because it doesn't seem to make any difference in reception. I've been looking for a new cell phone. One that I like has a cone on one side...

I've seen these "cell phone antenna boosters" for sale. They are essentially a clear piece of plastic with a disconnected pattern of what appears to be conductor (film copper?) that's placed between the battery and the phone "as close to the antenna" as possible. I can't think of any way this...