A team of researchers have just revealed their latest invention: 3D internal rechargeable batteries! These revolutionary batteries, which have a unique spherical structure, have the potential to revolutionize the way we use energy and power our devices. The new structure allows the battery to store more power in less space, making them ideal for use in a range of applications, from wearables and smartphones to electric vehicles. The team is now working on further improving the efficiency and performance of the batteries, so that they can become a viable replacement for traditional batteries.

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source: Phys.org