So Watt?!!

Post about one of the exhibits here or cool tricks you've learned and tips on making them work better. If you have a favorite exhibit in this gallery you can talk about it here, as well as discuss anything else cool you might have to share!

Do you guys think solar energy is going to be a formidable source of energy in the near future? I know that we can harness more than twice as much energy with our solar cells than plants do through the process of photosynthesis, plus our technology is always improving.