New solar roof emulates asphalt shingles, right down to the nails Streamlined installation should cut costs over competing solar roofs. Tim De Chant – Jan 4, 2022 11:17 AM | 188 ...

Before HO scale became the standard for model railroading, O scale was the dominant size, with a ratio of 1:48. However, in the early 20th century, a growing demand for more compact model trains ...

The solar shingles from GAF Energy—a winner of Fast Company's 2022 World Changing Ideas Awards—can be nailed directly to a roof.