The new Battery Electric Power Unit (BEPU) from Caterpillar is a plug-and-play solution that can directly replace a diesel CAT engine in existing machines – occupying the same space, and even using the same motor mounts to make the conversion from diesel to electric (almost) as easy as swapping an engine.

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I discuss my recent painting of butterflies, emphasizing the process of metamorphosis from caterpillar to butterfly as an example of irreducible complexity. This signifies intentional design rather than Darwinian evolution.