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Nudging an Asteroid: The DART Planetary-Defense Test
NASA's DART spacecraft slammed into the asteroid Dimorphos in 2022.
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A New Eye on the Cosmos: JWST Opens Up
The James Webb Space Telescope released its first images in July 2022.
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Ignition at Last: Fusion’s Net-Energy Milestone
In December 2022 the National Ignition Facility achieved fusion ignition.
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Picturing the Unseeable: The First Black Hole Image
The Event Horizon Telescope unveiled the first image of a black hole in 2019.
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A Cosmic Collision Seen in Waves and Light
In 2017 LIGO and Virgo caught two neutron stars merging.
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First Light: Gravitational Waves Confirm Einstein
LIGO announced the first direct detection of gravitational waves in 2016.
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Chinchilla and the Rethinking of Scaling Laws
DeepMind showed in 2022 that many large models were undertrained.
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Learning From Human Feedback: The InstructGPT Shift
OpenAI used reinforcement learning from human feedback to align models in 2022.
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BERT and the Bidirectional Turn in Language Understanding
Google's BERT read text in both directions at once, released in 2018.
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AlphaZero: Mastering Chess and Go From Scratch
AlphaZero learned chess, shogi, and Go through self-play alone in 2017.