TheIllustrativeMan t1_j98b379 wrote
Reply to comment by danielravennest in Scientists have figured out a way to engineer wood to trap carbon dioxide through a potentially scalable, energy-efficient process that also makes the material stronger for use in construction by giuliomagnifico
2x4 refers to the rough cut dimensions, so that's why. Modern studs are "finished 4 sides", which decreases the dimensions after rough cut.
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