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What I learned gathering nootropic ratings (2022)

Credit: Ultra Heaven In this post, I analyze nootropics ratings I gathered through a recommender system. Jump directly to What I learned if you don’t like caveats and methodology. The effectiveness of a nootropic varies a lot from one person to another (your mileage will vary). This is why I built a nootropic recommendation system Enter ratings on nootropics you’ve tried, and it will spit out nootropics liked by people with similar rating patterns. This was initially based on the 2016 SlateSta

What I learned gathering nootropic ratings

Credit: Ultra Heaven In this post, I analyze nootropics ratings I gathered through a recommender system. Jump directly to What I learned if you don’t like caveats and methodology. The effectiveness of a nootropic varies a lot from one person to another (your mileage will vary). This is why I built a nootropic recommendation system Enter ratings on nootropics you’ve tried, and it will spit out nootropics liked by people with similar rating patterns. This was initially based on the 2016 SlateSta

Trump Says “Very Wealthy People” Are Ready to Buy TikTok

Just weeks after extending the deadline for its sale for a third time, President Donald Trump announced Sunday that he has found a buyer for TikTok’s U.S. operations. The popular social media app has been under intense pressure due to a law passed in 2024 that requires its Chinese parent company, ByteDance, to sell the platform or face a nationwide ban. The legislation stems from bipartisan concern in Washington that the Chinese government could access the data of American users or use the app

Trump says he’s found a buyer for TikTok

In Brief A group of “very wealthy people” is set to buy short-form video app TikTok, according to President Donald Trump. “We have a buyer for TikTok, by the way,” Trump said in a Fox News interview on Sunday morning. “I think I’ll need probably China’s approval. I think President Xi [Jinping] will probably do it.” Trump declined to share more details about the buyers, saying only that he would reveal their identities in two weeks (apparently his favorite unit of time). Trump has repeatedly

New IQ research shows why smarter people make better decisions

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Credit: Pixabay/CC0 Public Domain A new study from the University of Bath's School of Management has found that individuals with a higher IQ make more realistic predictions, which supports better decision-making and can lead to improved life outcomes. The research, published in the Journal of Personality and Social

The probability of a hash collision (2022)

The probability of a hash collision Tags: probability A hash function takes arbitrarily complex input - a word, a website, an image, a human being - and maps it to a single number. This is useful for various computer science stuffs, such as data storage and cryptography. For example, let's say you want to store a book in one of N N N boxes. If you put the book in a random box, it's quite likely that you'll forget which box you picked, especially as N N N gets bigger. What you can do instead i

The Probability of a Hash Collision

The probability of a hash collision Tags: probability A hash function takes arbitrarily complex input - a word, a website, an image, a human being - and maps it to a single number. This is useful for various computer science stuffs, such as data storage and cryptography. For example, let's say you want to store a book in one of N N N boxes. If you put the book in a random box, it's quite likely that you'll forget which box you picked, especially as N N N gets bigger. What you can do instead i

Proba-3's first artificial solar eclipse

Enabling & Support Proba-3’s first artificial solar eclipse 16/06/2025 24672 views 108 likes Today, the European Space Agency’s Proba-3 mission unveils its first images of the Sun’s outer atmosphere – the solar corona. The mission’s two satellites, able to fly as a single spacecraft thanks to a suite of onboard positioning technologies, have succeeded in creating their first ‘artificial total solar eclipse’ in orbit. The resulting coronal images demonstrate the potential of formation flying tec

Why This Recent Total Solar Eclipse Was the First of Its Kind

The Sun’s outer atmosphere—the corona—only reveals itself during total solar eclipses, which happen about every 18 months on Earth, and are only visible along a narrow path. These events offer scientists a rare opportunity to observe the Sun’s violent surface—but now, they won’t have to wait on the cosmos to do so. On Monday, June 16, the European Space Agency (ESA) announced that its Proba-3 mission created the world’s first artificial total solar eclipse. The mission’s two satellites, the O