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Nuclear energy is power obtained from nuclear reactions to produce electricity.
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A Fermi estimate (or back-of-the-envelope calculation, often abbreviated BOTEC) is a rough calculation that aims to be right within about an order of magnitude, prioritizing getting an answer good enough to be useful without putting the large amounts of thought and research needed to attain greater accuracy. Fermi estimates typically approximate an answer by...
The Qualia Research Institute (QRI) is a nonprofit research organization based in San Francisco that focuses on consciousness research. QRI's goals are to develop a precise mathematical language for describing phenomenal experience; to understand the nature of emotional valence; and to develop technologies based on this research that improve people’s lives. ...
Effective altruism is the project of using evidence and reason to find out how to do the most good and to act on these findings.
Further reading
80,000 Hours (2021) Effective altruism: Ten global problems, 80,000 Hours.
Berkey, Brian (2021) The philosophical core of effective altruism, Journal of Social Philosophy, vol. 52, pp. 92–113.
Greaves, Hilary & Theron...
The Motivational tag covers posts that focus on inspiring us to do good (either a specific kind of good, or whatever we already want to work on).
We hope that reading through this collection will lift your spirits and spur you to beneficial action!
If a post motivates you to do good, or you think it will motivate others, upvote it. There are no wrong answers.
Longtermism is the view that positively influencing the long-term future is a key moral priority of our time.[1][2]
Longtermism may be seen as following from the conjunction of three core claims:[3]
- Future people matter morally.
- If Earth-originating intelligence is not prematurely extinguished, the vast majority of people that will ever exist will exist
Ask Me Anything, or AMA, is a post format where people offer to answer questions from Forum users. The format originated with the IAmA subreddit.
External links
Topic Voting Activity
| User | Post Title | Topic | Pow | When | Vote |
Recent Topic Activity
More details in the announcement post.
See also:
A week for discussing funding strategy, broadly construed.
A two-long series of events on the EA Forum, aimed at causing more and better donations, and reaching new audiences.
| Dates | Nov 10-16 | Nov 17-23 | Nov 24-Dec 7 | Dec 8-14 | Dec 15-EOY |
| Event | Funding Strategy Week | Marginal Funding Week | Donation Election
| ‘Why I donate’ week | Donation Celebration Banner
|
More details in the announcement post.
A two-long series of events on the EA Forum, aimed at causing more and better donations, and reaching new audiences.
| Dates | Nov 10-16 | Nov 17-23 | Nov 24-Dec 7 | Dec 8-14 | Dec 15-EOY |
| Event | Funding Strategy Week | Marginal Funding Week | Donation Election
|
The Essays on Longtermism Competition (EoL Competition) iswas an essay contest on the Effective Altruism Forum, co-organized by the Forum team and the editors of Essays on Longtermism: Present Action for the Distant Future (Oxford University Press, 2025).
The competition encouragesencouraged rigorous philosophical engagement with longtermism—the view that positively influencing the long-term future is a key moral priority of our time. Participants arewere invited to submit essays in response to a chapter, or (substantiated) theme from the collection before October 20, 2025 (anywhere on earth).
NOTE: THE DEADLINE FOR THE COMPETITION HAS NOW PASSED. YOU CAN STILL SUBMIT ESSAYS WITH THE TAG, AND THEY WILL BE CONSIDERED FOR A BEST-OF SEQUENCE, BUT WON'T BE ELIGIBLE FOR THE PRIZE.
This year's Draft Amnesty Week will run from February 24th to March 2nd.2nd, and, from October 13th - 19th. Draft Amnesty is an event where Forum users can post scrappy, draft-y, or incomplete posts with impunity.
The Essays on Longtermism Competition (EoL Competition) is an essay contest on the Effective Altruism Forum, co-organized by the Forum team and the editors of Essays on Longtermism: Present Action for the Distant Future (Oxford University Press, 2025).
The competition encourages rigorous philosophical engagement with longtermism—the view that positively influencing the long-term future is a key moral priority of our time. Participants are invited to submit essays in response to a chapter, argument, or (substantiated) theme from the collection before October 20, 2025 (anywhere on earth).
Greaves, Hilary & MacAskill, William (2021). The Case for Strong Longtermism.
Ord, Toby (2020). The Precipice: Existential Risk and the Future of Humanity.
Provisional tag — moderators may want to change the name, or delete this if it doesn't seem separate enough from the "Forecasting" tag. Could also be "betting on beliefs", though that still isn't very specific.
Some people use betting as a way to signal the strength of their views; they might offer a bet as a way to identify a crux in a debate, or challenge a critic they view as insincere.
This tag tracks posts where people make public bets on their beliefs (or discuss the practice of doing so).
Provisional tag — moderators may want to change the name, or delete this if it doesn't seem separate enough from the "Forecasting" tag. Could also be "betting on beliefs", though that still isn't very specific.
Some people use betting as a way to signal the strength of their views; they might offer a bet as a way to identify a crux in a debate, or challenge a critic they view as insincere.
This tag tracks posts where people make public bets on their beliefs (or discuss the practice of doing so).
Effective Altruism Forum (2025). Announcing: The Essays on Longtermism Competition.Competition.
The Essays on Longtermism Competition (EoL Competition) is an essay contest on the Effective Altruism Forum, co-organized by the Forum team and the editors of Essays on Longtermism: Present Action for the Distant Future (Oxford University Press, 2025). The competition encourages rigorous philosophical engagement with longtermism—the view that positively influencing the long-term future is a key moral priority of our time. Participants are invited to submit essays in response to a chapter, argument, or theme from the collection before October 20, 2025 (anywhere on earth).
Further reading
Barrett, Jacob; Greaves, Hilary; Thorstad, David (eds.) (2025). Essays on Longtermism: Present Action for the Distant Future. Oxford University Press.
Greaves, Hilary & MacAskill, William (2021). The Case for Strong Longtermism.
Ord, Toby (2020). The Precipice: Existential Risk and the Future of Humanity.
Effective Altruism Forum (2025). Announcing: The Essays on Longtermism Competition.
Related entries
longtermism | forecasting | moral philosophy | Events on the EA Forum | prizes and contests
NOTE: THE DEADLINE FOR THE COMPETITION HAS NOW PASSED. YOU CAN STILL SUBMIT ESSAYS WITH THE TAG, AND THEY WILL BE CONSIDERED FOR A BEST-OF SEQUENCE, BUT WON'T BE ELIGIBLE FOR THE PRIZE.
The Essays on Longtermism Competition (EoL Competition) was an essay contest on the Effective Altruism Forum, co-organized by the Forum team and the editors of Essays on Longtermism: Present Action for the Distant Future (Oxford University Press, 2025).
The competition encouraged rigorous philosophical engagement with longtermism—the view that positively influencing the long-term future is a key moral priority of our time. Participants were invited to submit essays in response to a chapter, or (substantiated) theme from the collection before October 20, 2025 (anywhere on earth).
Further reading
Barrett, Jacob; Greaves, Hilary; Thorstad, David (eds.) (2025). Essays on Longtermism: Present Action for the Distant Future. Oxford University Press....
The 10% Pledge is a public, non-binding commitment to donate at least 10% of one’s income each year to the most cost-effective charities or funding opportunities one can identify. It is administered by Giving What We Can (GWWC) and serves both as a personal commitment device and as a norm-setting tool within the effective altruism community.tool.
The tag was rejected because it hasn’t yet been applied to at least three posts by different authors.