Joakim Pedersen

Joakim Pedersen

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Joakim Pedersen
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Smart Idea: Make your own DIY overhead projector for tracing wall murals and other things. Directions on the website!

Make your own DIY overhead projector for tracing wall murals. Make a makeshift projector using a box, a lamp and some tape. Project the transparency onto the wall. Use a light bulb without the "frosting" on the inside for a clearer picture.

How to determine daylight hours

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.