https://khanlist.com/story/what-is-the-halo-in-formula-1-d1cf61c3 2025-10-22T10:52:14.000Z never 0.7 https://khanlist.com/story/how-to-use-python-dataclasses-d7b7f11f 2025-10-22T09:00:00.000Z never 0.7