1. AC /DC Did you know that ACDC is …. The name of an Australian Rock band

2. Laptops AC or DC? Did you know that your laptop uses (AC/DC?)….. DC- because it runs on batteries. In order to charge the batteries and for AC from outlet to be converted to DC, you have your charger. Most of your electronic devices (cell phones, cameras, etc) run on DC.

3. Travelling to Europe….. You cannot directly use your electronics from USA in Europe Frequency in Europe and Asia (50 Hz) and US(60 Hz) is different. You need an adapter! 120v in US, 220V in Europe Prongs are different too…