High-tech wood filled with air cavities could insulate your home
https://www.newscientist.com/article/2353350-high-tech-wood-filled-with-air-cavities-could-insulate-your-home/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home
High-tech wood filled with air cavities could insulate your home