Are We Active Matter?

The very first thing that we learn in biology is about the Cell. So what is Cell?

Here is the definition that is given in Wikipedia. "The cell (from Latin cella, meaning "small room"^[1]) is the basic structural, functional, and biological unit of all known organisms"

Now, the next question that comes in our mind is what makes it?

The cell consists of cytoplasm and comprises several subcellular organelles such as mitochondria, Golgi body, vacuoles and many more.

Now next, what makes cytoplasm or these organelles?

Well, again the answer is known. They are made of biological molecules such as proteins and nucleic acids (Wikipedia).

We can further move on and ask, what biological molecules comprise of? Again here is the answer from web source - the biological molecules comprise several elements mostly carbon and its derivative.

Like this, we can go on and we will certainly reach the atom and then down to the elementary particles.

The point that I want to make is that at a cellular or subcellular level they behave like an active entity i.e. they are mobile and can continuously dissipate energy. The consequence is visible in the form of cell division or cytoplasm streaming and many more.

The way we define the dynamics of such a system also changes, we have to include the term that incorporates activity. Then comes the Physics of Active matter. I present below the chart of the hierarchy of active elements that constitute the living organisms. Next, I leave on the reader to decide.

PS: I am a layman in the field of Active Matter. So if you discover any error or mistake then please feel free to comment.

Wandering from a philosophical perspective

Morning view of Trapani downtown from the hilltop of Sicily, Italy.

Science: Creating Knowledge or Solving Societal Problems?

Picture from Okinawa island in Japan I want to share my perspective on research, particularly in basic science. I’ve noticed that many renowned scientists, especially physicists, often choose research problems that fascinate and excite them. Interestingly, many of these scientists also have a deep interest in the humanities and arts. They dedicate their resources and efforts to these pursuits, ultimately publishing their findings. Along the way, they develop quantitative and analytical tools or physics-based models to better understand the problems they are investigating. For example, I recently attended a talk by a well-known physicist from the UK who was studying literature from the medieval era. I approached the talk with curiosity but found my interest waning as it progressed, likely due to my limited understanding of literature. However, what really lingered with me was the question: Is this an important problem to study? Should leaders in the fiel...

Concept of K-I-H-L

The pursuit of excellence is often attributed to a combination of four factors: Knowledge, Intelligence, Hard Work, and Luck. However, attaining all four may not be entirely feasible, particularly given that Intelligence and Luck are beyond our control. Despite this, I firmly believe that Hard Work, a factor entirely within our purview, serves as a cornerstone for success. Furthermore, a diligent effort has the dual capacity to not only propel one's work ethic but also to actively contribute to the accumulation and enhancement of Knowledge. While certain factors may remain elusive, the steadfast commitment to hard work can empower individuals to navigate and shape their paths to excellence.

hisay lama

Search This Blog