You need to reach a global level (visible on your dashboard) to earn it. When the last post was made, Maelstrom didn't exist yet.

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3. How do i know if i've gotten Black Hole Badges or not?

Emma's post was made in 2023. The weekly streaks were introduced 2 years ago, in 2024.

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3. Update: Streaks are going away on January 4, 2021

Yes. Atlas, Artemis, and Tesla have all been earned by users.

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Hundreds of people have been requesting this feature for YEARS and KA has never added it. Instead, they recommend using the "Dark Reader" browser extension.

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azimebadi1963 I've had that error before. It happened when I had the same exercise open on multiple devices. I was able to fix it by closing the tab on the other device.

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I noticed this change. I had to mentally adjust from /80 to /100, because I don't aim for mastery on my grinding account. I agree with what Xyz Y said about it.

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3. Update: How mastery percentage is calculated

I believe that /profile/yechidoth will work.

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Advait Pillay OAT successfully got Artemis, bringing his total up to 4. His username is "Yechidoth" right now so you can check for yourself.

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Nathan G I have a link to the Galileo badge, and will share it after this paragraph of padding that will hopefully make the comment go through: https://www.khanacademy.org/badges/galileo

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They all still show up for me.

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