Throughout the ages, Swedes have relied on their country's vast forests as a source of sustenance and economic growth. A new development adds to their credit. A research team at KTH Royal Institute of Technology, have developed the world's first magnetic cellulose loudspeakers.
These speakers are made with a new material derived from pulp-magnetic cellulose gel. Hence they are eco-friendly as well as cancels out noise too. Currently the speakers are producing a good quality sound when compared to conventional speakers. But the main idea behind this development is to show the potential of natural and eco-friendly sustainable materials in everyday products. This new material can open the way for innovations in areas such as acoustic applications for auto mobiles which also includes more research in the form of damping for cars and trains.
The KTH speaker has coil, but it has no direct contact with the cone, so the only thing that creates sound is the movement of air. All of these components can be manufactured in a very small scale. This is a major breakthrough and you can read more about it on Cellulose loud speakers
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