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Sabine Hossenfelder
6 quotes
“If you want to rely on non-empirical assessment, you have to make really sure that scientists’ judgment is as objective as humanly possible. And the environment in academia presently is absolutely unsuitable for this. You just can’t be sure how much sociology affects judgment. And no physicist I know makes any effort to consciously address cognitive biases, such as wishful thinking, loss aversion, or the use of aesthetic criteria. It’s just not something that they pay attention to because it’s never been necessary before. As long as you have data for guidance, you’ll be swiftly corrected.”
Sabine Hossenfelder (born 1976) wikiquote, CC BY-SA 4.0 source
“In our search for new ideas, beauty plays many roles. It's a guide, a reward, a motivation. It's also a systematic bias.”
Sabine Hossenfelder (born 1976) wikiquote, CC BY-SA 4.0 source
“The Standard Model is based on a principle called "gauge symmetry". According to this principle, every particle has a direction in an internal space, much like the needle in a compass, except that the needle doesn't point anywhere you can look.”
Sabine Hossenfelder (born 1976) wikiquote, CC BY-SA 4.0 source
“The logic of arguments from naturalness resembles the attempt to predict the plot of a long-running TV series. If the hero -- here, naturalness --is in a pickle, certainly he will survive, so something must happen to turn around a situation that looks bleak.”
Sabine Hossenfelder (born 1976) wikiquote, CC BY-SA 4.0 source
“if you pile up enough of it, even shit can look beautiful.”
Sabine Hossenfelder (born 1976) wikiquote, CC BY-SA 4.0 source
“To make predictions with inflation one cannot just say “there once was exponential expansion and it ended somehow.” No, to be able to calculate something, one needs a mathematical model. The current models for inflation work by introducing a new field – the “inflaton” – and give this field a potential energy. The potential energy depends on various parameters. And these parameters can then be related to observations. The scientific approach to the situation would be to choose a model, determine the parameters that best fit observations, and then revise the model as necessary – ie, as new data comes in. But that’s not what cosmologists presently do. Instead, they have produced so many variants of models that they can now “predict” pretty much anything that might be measured in the foreseeable future.”
Sabine Hossenfelder (born 1976) wikiquote, CC BY-SA 4.0 source