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April Fool’s

TagLast edit: Jul 10, 2023, 7:00 PM by duck_master

April Fool’s Day is an annual event every year on April 1, and is celebrated by practical jokes or humorous content (such as the posts under this tag). The event can be thought of as “Notice Your Surprise” day.

Special rule for this tag: Please don’t add entries to this tag during April Fool’s, to not spoil all the surprise as soon as people see the top of the post, but feel free to add any old April Fool’s jokes starting on the 2nd.

See also

Why We Launched LessWrong.SubStack

Ben PaceApr 1, 2021, 6:34 AM
132 points
44 comments4 min readLW link

[April Fools’ Day] In­tro­duc­ing Open As­teroid Impact

LinchApr 1, 2024, 8:14 AM
336 points
29 comments1 min readLW link
(openasteroidimpact.org)

Re­plac­ing Karma with Good Heart To­kens (Worth $1!)

Apr 1, 2022, 9:31 AM
225 points
173 comments4 min readLW link

AI Safety via Luck

JozdienApr 1, 2023, 8:13 PM
82 points
7 comments11 min readLW link

A Selec­tion of Ran­domly Selected SAE Features

Apr 1, 2024, 9:09 AM
109 points
2 comments4 min readLW link

The Evolu­tion of Hu­mans Was Net-Nega­tive for Hu­man Values

Zack_M_DavisApr 1, 2024, 4:01 PM
37 points
1 comment2 min readLW link

Shut­ting down AI is not enough. We need to de­stroy all tech­nol­ogy.

Matthew BarnettApr 1, 2023, 9:03 PM
152 points
36 comments1 min readLW link

April Fools: An­nounc­ing LessWrong 3.0 – Now in VR!

Apr 1, 2020, 8:00 AM
94 points
19 comments3 min readLW link

April Fools: An­nounc­ing: Karma 2.0

habrykaApr 1, 2018, 10:33 AM
63 points
56 comments1 min readLW link

LessWrong: After Dark, a new side of LessWrong

So8resApr 1, 2024, 10:44 PM
37 points
6 comments1 min readLW link

[April Fools] User GPT2 is Banned

jimrandomhApr 2, 2019, 6:00 AM
65 points
20 comments1 min readLW link

Pro­posal: Butt bumps as a de­fault for phys­i­cal greetings

Adam ZernerApr 1, 2023, 12:48 PM
53 points
23 comments2 min readLW link

AI com­mu­nity build­ing: EliezerKart

Christopher KingApr 1, 2023, 3:25 PM
45 points
0 comments2 min readLW link

A policy guaran­teed to in­crease AI timelines

Richard Korzekwa Apr 1, 2023, 8:50 PM
46 points
1 comment2 min readLW link
(aiimpacts.org)

[April Fools’] Defini­tive con­fir­ma­tion of shard theory

TurnTroutApr 1, 2023, 7:27 AM
169 points
8 comments2 min readLW link

OMMC An­nounces RIP

Apr 1, 2024, 11:20 PM
189 points
5 comments2 min readLW link

You will crash your car in front of my house within the next week

Richard Korzekwa Apr 1, 2025, 9:43 PM
80 points
6 comments1 min readLW link

Ap­ply to be a Safety Eng­ineer at Lock­heed Martin!

yanni kyriacosMar 31, 2024, 9:02 PM
86 points
3 comments1 min readLW link

An­nounc­ing Suffer­ing For Good

Garrett BakerApr 1, 2024, 5:08 PM
72 points
5 comments1 min readLW link

So You Created a So­ciopath—New Book An­nounce­ment!

Garrett BakerApr 1, 2024, 6:02 PM
52 points
3 comments1 min readLW link

[GPT-4] On the Grad­ual Emer­gence of Mech­a­nized In­tel­lect: A Trea­tise from the Year 1924

tailcalledApr 1, 2024, 7:14 PM
11 points
0 comments2 min readLW link

LessWrong’s (first) album: I Have Been A Good Bing

Apr 1, 2024, 7:33 AM
569 points
181 comments11 min readLW link

Gra­di­ent Des­cent on the Hu­man Brain

Apr 1, 2024, 10:39 PM
59 points
5 comments2 min readLW link

A re­port about LessWrong karma volatility from a differ­ent universe

Ben PaceApr 1, 2023, 9:48 PM
181 points
7 comments1 min readLW link

Think­ing well

VaniverApr 1, 2015, 10:03 PM
46 points
23 comments2 min readLW link

An­nounc­ing the Cen­ter for Ap­plied Postrationality

Pee DoomApr 2, 2019, 1:17 AM
110 points
14 comments1 min readLW link

Amaz­ing Break­through Day: April 1st

Eliezer YudkowskyMar 25, 2008, 5:45 AM
80 points
16 comments2 min readLW link

New Cause Area Proposal

CallumMcDougallApr 1, 2025, 7:12 AM
110 points
4 comments1 min readLW link

April drafts

AI ImpactsApr 1, 2021, 6:10 PM
49 points
2 comments1 min readLW link
(aiimpacts.org)

Us­ing pre­dic­tion mar­kets to gen­er­ate LessWrong posts

Matthew BarnettApr 1, 2022, 4:33 PM
85 points
11 comments1 min readLW link

An­nounc­ing Im­pact Is­land: A New EA Real­ity TV Show

LinchApr 1, 2022, 5:28 PM
69 points
14 comments4 min readLW link
(forum.effectivealtruism.org)

[Question] Good Heart Dona­tion Lottery

Gordon Seidoh WorleyApr 1, 2022, 5:51 PM
72 points
14 comments2 min readLW link

In­tro­duc­ing BenchBench: An In­dus­try Stan­dard Bench­mark for AI Strength

JozdienApr 2, 2025, 2:11 AM
50 points
0 comments2 min readLW link

My “in­fo­haz­ards small work­ing group” Sig­nal Chat may have en­coun­tered minor leaks

LinchApr 2, 2025, 1:03 AM
52 points
0 comments1 min readLW link

Con­sider showering

bohaskaApr 1, 2025, 11:54 PM
55 points
15 comments1 min readLW link

The case for cre­at­ing un­al­igned superintelligence

Yair HalberstadtApr 2, 2025, 6:47 AM
7 points
0 comments1 min readLW link

In­tro­duc­ing Deepgeek

LigeiaApr 1, 2025, 4:41 PM
16 points
1 comment4 min readLW link

Fol­low me on TikTok

lsusrApr 1, 2025, 8:22 AM
41 points
8 comments2 min readLW link

LessWrong has been ac­quired by EA

habrykaApr 1, 2025, 1:09 PM
340 points
45 comments1 min readLW link

VDT: a solu­tion to de­ci­sion theory

L Rudolf LApr 1, 2025, 9:04 PM
308 points
18 comments4 min readLW link

I’m re­sign­ing as Meetup Czar. What’s next?

ScrewtapeApr 2, 2025, 12:30 AM
69 points
2 comments4 min readLW link

Brain Break­through! It’s Made of Neu­rons!

Eliezer YudkowskyApr 1, 2008, 7:00 PM
71 points
30 comments2 min readLW link

Death with Awesomeness

osmarksApr 1, 2024, 8:24 PM
3 points
2 comments2 min readLW link

FLAKE-Bench: Out­sourc­ing Awk­ward­ness in the Age of AI

Apr 1, 2025, 5:08 PM
33 points
0 comments2 min readLW link

PauseAI and E/​Acc Should Switch Sides

WillPetilloApr 1, 2025, 11:25 PM
77 points
6 comments2 min readLW link

A Con­fes­sion about the LessWrong Team

RubyApr 1, 2023, 9:47 PM
87 points
5 comments2 min readLW link

Re­pairing the Effort Asymmetry

Duncan Sabien (Deactivated)Apr 1, 2023, 8:23 PM
40 points
11 comments2 min readLW link

New Align­ment Re­search Agenda: Mas­sive Mul­ti­player Or­ganism Oversight

TsviBTApr 1, 2023, 8:02 AM
17 points
1 comment2 min readLW link

Some lesser-known megapro­ject ideas

LinchApr 2, 2023, 1:14 AM
19 points
4 comments1 min readLW link

An Aver­age Dialogue

Nicholas / Heather KrossApr 1, 2023, 4:01 AM
4 points
0 comments1 min readLW link

A new acausal trad­ing plat­form: RobinShould

Matthew BarnettApr 1, 2021, 4:56 PM
116 points
5 comments1 min readLW link

5 Tips for Good Hearting

Thomas KwaApr 1, 2022, 7:47 PM
25 points
10 comments1 min readLW link

What can we learn about childrea­r­ing from J. S. Mill?

Adam ScherlisApr 2, 2024, 6:06 AM
10 points
1 comment1 min readLW link

Thou­sands of mal­i­cious ac­tors on the fu­ture of AI misuse

Apr 1, 2024, 10:08 AM
37 points
0 comments1 min readLW link

Happy No­tice Your Sur­prise Day!

VaniverApr 1, 2016, 1:02 PM
30 points
5 comments1 min readLW link

Manafold Mar­kets is out of mana 🤭

Austin ChenApr 1, 2022, 10:07 PM
36 points
2 comments1 min readLW link

God Coin: A Modest Proposal

Mahdi ComplexApr 1, 2024, 12:04 PM
−8 points
5 comments22 min readLW link
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