A method for posting and retrieving hidden message, comprising embedding message in a digital image; publishing the image on a web page; requesting password from a user who want to retrieve the message; and revealing the message to the user with…

SmartCycle Biofuel is a system that is able to turn food waste into electricity. It utilizes the biogas which is released from food waste and other organic waste to create electricity. First, the food waste is mixed with water to form a…