Morning Overview on MSN
Engineered balsa wood stores solar heat to generate power after dark
A team at Nanjing Forestry University has turned balsa wood into a solar heat battery. By infusing lightweight balsa ...
Interesting Engineering on MSN
Engineered wood converts sunlight into heat, supplies solar power even in darkness
Solar energy has a simple but annoying weakness. It disappears when the sun does.
For centuries, the fast-growing balsa tree has been prized for its light weight and stiffness relative to density. But balsa wood is expensive and natural variations in the grain can be an impediment ...
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