The Whizbang Web Weekly
Rare Evolutionary Event, Designing Everyday APIs, Apollo-Era Antenna Still in Use, Word2vec Explained and Visual Guide to Vision Transformers are these weeks topics which have been curated for you!
Hey there! Sorry we are a day late, but we have some very exciting topics that were collected over last week. From a rare evolutionary event, to an apollo era antenna still in use, we have two new science topics. And a visual guide to transformers along with API design discussion, we have two new CS topics. So dig in!
Two lifeforms merge in once-in-a-billion-years evolutionary event
Scientists have observed a rare evolutionary event called primary endosymbiosis, where one microorganism engulfs and merges with another, forming a new organism. This has only happened twice before in Earth's history - first with mitochondria, and then with chloroplasts in plants. Now, researchers have discovered it is happening again, with a species of algae called Braarudosphaera bigelowii engulfing a nitrogen-fixing cyanobacterium. This new merged organism, called a "nitroplast", is able to fix nitrogen directly from the air, a capability normal algae and plants lack. The researchers plan to study this further, as it could potentially be used to improve crop growth by incorporating nitrogen-fixing abilities into plants.
https://newatlas.com/biology/life-merger-evolution-symbiosis-organelle/
The Design of Everyday APIs
APIs (Application Programming Interfaces) are central to all software we consume. This blog explores what makes a good API, including factors like documentation, simplicity, consistency, completeness, and flexibility. The author notes that implementing an API is an art, as it serves as the connection between the user and the library. They examine examples of both well-designed and poorly-designed APIs in the real world. The goal is to understand how to optimize the user experience and make APIs more ergonomic and pleasing to work with.
https://www.roguelynn.com/talks/everyday-apis/
50 Years Later, This Apollo-Era Antenna Still Talks to Voyager 2
The Deep Space Station 43 (DSS-43) radio antenna, located in Canberra, Australia, has been a crucial communication link for NASA space missions for over 50 years. It has supported numerous probes and rovers, including the Voyager 2 spacecraft, which it is now the only antenna capable of communicating with. The antenna's large 64-meter dish, precise pointing accuracy, and powerful transmitter make it essential for maintaining contact with distant spacecraft. DSS-43 is part of NASA's Deep Space Network, a global system of tracking stations that ensures continuous communication. The antenna was recently upgraded to continue its vital role in future NASA missions to the Moon and Mars.
https://spectrum.ieee.org/apollo-era-antenna-voyager-2
The Illustrated Word2vec
This passage provides an overview of word embeddings and the word2vec algorithm for generating them. It explains how word embeddings represent words as vectors that capture semantic relationships between words. The key ideas behind word2vec are the skipgram and negative sampling approaches, which efficiently train the embeddings by predicting neighboring words. The author walks through the technical details of how word2vec works, including the use of an embedding matrix and context matrix, and how the embeddings are iteratively improved during training. It also discusses important hyperparameters like window size that impact the properties of the resulting embeddings.
https://jalammar.github.io/illustrated-word2vec/
A Visual Guide to Vision Transformers
Vision Transformers (ViTs) are a class of deep learning models that apply the transformer architecture from natural language processing to image classification tasks. This visual guide explains the key steps in a ViT model, including the final classification output and end-to-end standard cross-entropy loss. The author provides a detailed visual walkthrough of these components and encourages readers to check out a Colab notebook for further exploration.
https://blog.mdturp.ch/posts/2024-04-05-visual_guide_to_vision_transformer.html
That is all for this week!