Higuchi dimension is a method for estimating the fractal dimension of a curve or time series. Developed by Takashi Higuchi in 1988, this approach is particularly useful for analyzing the complex patterns found in various types of data, such as biological signals, financial time series, and other phenomena that exhibit self-similarity. The Higuchi method works by constructing different approximations of the original data, effectively measuring how the length of the curve changes as the scale of the measurement changes.
A hybrid algorithm is a computational approach that combines two or more distinct algorithms or techniques to leverage the strengths of each and improve overall performance or efficiency. Hybrid algorithms can be used in various fields, such as optimization, machine learning, image processing, and data analysis. The goal is to create a more robust solution that can perform better than any of the individual algorithms alone.
The term "American relativity theorists" generally refers to physicists and researchers in the United States who have contributed to the field of relativity, specifically the theories formulated by Albert Einstein: Special Relativity and General Relativity. These theories revolutionized our understanding of space, time, and gravity, profoundly impacting modern physics.
Aninda Sinha is a name that might refer to various individuals, depending on the context. Without specific context, it's difficult to determine precisely who you are referring to. If you mean a specific person—such as an academic, professional, or personal figure—please provide additional details. For instance, Aninda Sinha might be recognized in fields like academia, research, or other professional domains.
Ammunition designers are engineers or specialists who develop and create ammunition for firearms and other projectile-launching devices. Their work involves a deep understanding of ballistics, materials science, and the mechanics of firearms, as well as compliance with safety and legal standards. Key responsibilities of ammunition designers may include: 1. **Research and Development**: They conduct research to improve existing ammunition designs and develop new types of ammunition to enhance performance characteristics, such as accuracy, range, and stopping power.
Current Wikipedia seems to say that this refers specifically to cells taking up DNA from other dead cells as in the Avery-MacLeod-McCarty experiment, excluding other types of horizontal gene transfer like bacterial conjugation
The term is sometimes just used a synonym for horizontal gene transfer in general it seems however.
D and L amino acids by Ciro Santilli 40 Updated 2025-07-16
Usually noted D-something, L-something, e.g. L-alanine, D-glutamine.
Yves Quéré is a prominent French physicist known for his contributions to the fields of complex systems, nonlinear dynamics, and the study of fundamental physical processes. He has been involved in various research areas, including fluid mechanics and the behavior of complex networks. Quéré has also published numerous papers and articles in scientific journals.
ACARS stands for Aircraft Communications Addressing and Reporting System. It is a digital datalink system used in aviation to facilitate communication between aircraft and ground stations. ACARS allows for the transmission of a variety of messages, including flight information, weather updates, and maintenance data. The system uses a combination of VHF radio, satellite communication, and sometimes HF radio, to send and receive messages.
Erase SSD securely by Ciro Santilli 40 Updated 2025-07-16
You can't just shred individual sSD files because SSD writes only at large granularities, so hardware/drivers have to copy stuff around all the time to compact it. This means that leftover copies are left around everywhere.
What you can do however is to erase the entire thing with vendor support, which most hardware has support for. On hardware encrypted disks, you can even just erase the keys:
TODO does shredding the
Flash memory by Ciro Santilli 40 Updated 2025-07-16
Video 1.
The Engineering Puzzle of Storing Trillions of Bits in your Smartphone / SSD using Quantum Mechanics by Branch Education (2020)
Source. Nice animations show how quantum tunnelling is used to set bits in flash memory.
Protein tag by Ciro Santilli 40 Updated 2025-07-16
You modify the DNA of a cell and stick a fluorescent protein right before or after another protein. Then when it gets translated, the GFP is stuck to the protein of interest, which hopefully hasn't lost its function as a result, then you can just see the protein of interest.
Gel electrophoresis by Ciro Santilli 40 Updated 2025-07-16
Technique widely used to measure the size of DNA strands, most often PCR output of a region of interest.
A simple sample application is gel electrophoresis alelle determination.

Pinned article: Introduction to the OurBigBook Project

Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
We have two killer features:
  1. topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculus
    Articles of different users are sorted by upvote within each article page. This feature is a bit like:
    • a Wikipedia where each user can have their own version of each article
    • a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
    This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
    Figure 1.
    Screenshot of the "Derivative" topic page
    . View it live at: ourbigbook.com/go/topic/derivative
  2. local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:
    This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
    Figure 2.
    You can publish local OurBigBook lightweight markup files to either https://OurBigBook.com or as a static website
    .
    Figure 3.
    Visual Studio Code extension installation
    .
    Figure 4.
    Visual Studio Code extension tree navigation
    .
    Figure 5.
    Web editor
    . You can also edit articles on the Web editor without installing anything locally.
    Video 3.
    Edit locally and publish demo
    . Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.
    Video 4.
    OurBigBook Visual Studio Code extension editing and navigation demo
    . Source.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact