Tangentially related: the gravity algorithm is (upvotes) / (hours-since-posted + 2)^gravity where gravity is a constant, 1.8 for HN. So, over time,

Tangentially related: the gravity algorithm is (upvotes) / (hours-since-posted + 2)^gravity where gravity is a constant, 1.8 for HN. So, over time, kinda step-wise on the 60, 120 min mark since posting, gravity's grip increases and pulls the score back closer to zero.