Innovative lightbulb made from a coke bottle filled with water and bleach! Water and bleach in bottle of coke was fitted on the roof. It absorbs and reflects sunlight and is equal to a 55 watt lightbulb.
PM's home and auto editors took a weekend out to teach themselves how to heat and hammer metal the old-fashioned way. They started by ordering an anvil and making their own blacksmith forge. The sparks flew from there.