Apple’s new MacBook reiterates how desperately we need battery innovation

Apple yesterday announced a new MacBook that’s thinner and lighter than the existing MacBook Air. It’s got some impressive new features, but Apple’s focus on making things smaller still has a barrier: batteries. The picture above illustrates just how much companies like Apple have managed to shrink the actual computer parts of a device. It seems crazy to me that the part of the laptop that actually does the heavy lifting doesn’t even take a quarter of the space and that somehow, after all these years, batteries still take the bulk of the room. The battery problem isn’t simply a longevity…
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