Survival Mom DIY: Build Your Own Fresnel Lens

The story of my DIY Fresnel lens began three years ago when I lost my house and all its contents in a fire. It started around 4:00 a.m. when my daughter got up and fluffed her job uniform in the dryer. We had no idea the dryer would short out and burn through a gas line. Later that same morning, I woke up and smelled smoke. It looked a bit hazy in the house, and it smelled acrid to me, so I woke …

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