![]() But which methods? I hope the philosophers have a plan. Hence, the more difficult new experiments become, the more care theorists must take to not sleepwalk into a dead end while caught up in a beautiful dream. Data don’t come to us anymore-we have to know where to get them, and we can’t afford to search everywhere. But increasingly we first need theories to decide which experiments are most likely to reveal new phenomena, experiments that then take decades and billions of dollars to carry out. ![]() In the past, we muddled through because data forced theoretical physicists to revise ill-conceived aesthetic ideals. But leaving aside that we could be further along had scientists not been distracted by beauty, physics has changed-and keeps on changing. “Hasn’t it always worked out in the end?” It has. I want to use the occasion to tell you why I wrote the book and what has happened since. ![]() ![]() “Arguments from beauty have failed us in the past, and I worry I am witnessing another failure right now. Sabine Hossenfelder: Backreaction: Physicists still lost in math Friday, JPhysicists still lost in math My book Lost in Math was published two years ago, and this week the paperback edition will appear. ![]()
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