Can a lemon charge a phone? (2 Truths & Trash)

Let me know in the comments how you did. Did you like the addition of non-experiment videos?

Here's a list of questions answered in today's video:
1. Does copper wire spin around a battery that is resting on a magnet?
2. Can you stack 3 dice on top of each other when the middle one is placed diagonally?
3. Can you create enough static charge with a pen can to attract the pen cap back onto the pen?
4. Can a paper clip float of the surface of a cup of water even though it is more dense that water?
5. Can you use a sharpie/pen to open a soda can by rubbing it back and forth on the lip?
6. What is the origin of the I/O switch on electronic devices?
7. Can you use a lemon to charge a phone?
8. Does the Eiffel Tower expand significantly based on the temperature?
9. Can copper wire with weights cut through an ice cube?