This is a easy, portable and cheap DIY project to make a electromagnetic pulse (EMP).Follow the few steps and you got yourself your own EMP to disable or destroy electronic devices (this EMP is only strong enough to destroy a calculator).
All about inverters- how to convert DC (direct current) power produced by solar or wind energy and stored by batteries, into to AC (alternating current) electricity that can be used to run most all tools and appliances off the grid.
Solar electricity is created by using Photovoltaic (PV) technology by converting solar energy power into solar electricity from sunlight. Photovoltaic solar panels use sunlight to power ordinary electrical equipment,
Camera- business card: have to try this trick.How to use a business card to bounce light up to create a nice overall illumination, while some of the light penetrates directly through the card, disperses and lights the subject from the front.