Engineers love making things and technology. And when we recently stumbled on an infographic that tells you how to upcycle your broken mobile phone parts into survival tools, we knew we had to share — immediately! Mobile phones have become […]
Determine remaining daylight on your hand. Use this simple trick to measure the remaining daylight without a watch. Count the finger widths between the sun and the horizon. Each finger is equivalent to 15 minutes, with each hand totaling an hour.