Wisdom Builder

Three Tidbit Stories

Tech.

3 random tidbit stories in about 3 minutes.

1.

Tech FAQ.

Why is Homo habilis the “handy man?”

They were the first to wield tools, sparking a cognitive revolution that forever altered the course of life on Earth. With ingenious minds and dexterous hands, they paved the way for the development of complex societies, cultures, and technologies. They are the first known species to venture beyond the confines of pure instinct. Flourishing about 2.4 to 1.4 million years ago, this species is credited with being the earliest to show evidence of using stone tools that survived the test of time.

For sure, Homo habilis also utilized other natural resources they could pick up off the ground, such as hand sticks for poking and defense, walking sticks perhaps sharpened at one end for protection and hunting, and small sharpened sticks for detailed work. Around this time, perhaps the first spears and digging sticks were crafted, essential for hunting larger animals at a distance and for accessing water sources, tubers, or creating simple traps. These tools weren’t just crude implements; they represented a fundamental shift in how early humans interacted with their environment, enabling them to cut, scrape, and process food in new ways that likely influenced their diet, survival, and social dynamics. For a new look at what happened to our ancient human species, take the deep dive: A New Look at Human Extinction Events: From Homo habilis to the Neanderthals.

 


That Tech FAQ, 

was first published on TST 2 years ago.

2.

Tech FAQ.

Short answer: Space is so vast that the odds of Voyager 1 or 2 hitting something is that rare.

Long answer: The fact is that both do encounter space dust along their journeys. They were designed to endure the impacts of small dust particles of less than 1 mm commonly found in space. It’s also true that hitting a half inch rock would be catastrophic, especially at their high speeds. Voyager 1 is travelling at 17 kilometers per second (38,000 mph), and Voyager 2 at 15 kilometers per second (34,000 mph).

How sparse is space? In between things like comets, space only has a few atoms per cubic meter, typically just a few hydrogen atoms. If space were denser, light would struggle to make it to us. For example, light would be mostly blocked if there were billions of hydrogen atoms per cubic meter, or a mix of many millions of heavier atoms. To compare, air to humans seems transparent, like there’s nothing there. In reality, air has about 25 billion-billions of atoms per cubic meter and we have no trouble seeing light traveling many thousands of miles. To simplify, over the vastness of space, the density of our air would for sure block out distant galaxies. Bottom line, if the Voyager vehicles could travel through air, they can travel through space much easier.

While half inch rocks and even boulders are nearly invisible in space, and there was some question whether either might hit one, space is that vast and they did not. The successful operation of the Voyager spacecraft over decades now serves as practical validation of our understanding.

 


That Tech FAQ, 

was first published on TST 1 year ago.

3.

Tech Quote.

This quote is about social constructs and the idea that they are made up by people. The complete quote is:

“The first person who, having fenced off a plot of land, thought of saying ‘This is mine’ and found people simple enough to believe him was the real founder of civil society.”

Jean-Jacques Rousseau wrote this in 1755 in his essay “Discourse on the Origin and Basis of Inequality Among Men.” In it, he challenged traditional notions of society and politics, arguing that social inequality arises from human convention rather than natural law. 

In chapter 10 of “30 Philosophers,” this quote serves as a catalyst for exploring skepticism and the distinction between nature and human-made social constructs. By recognizing that many societal norms are based on collective agreement rather than objective truth, we can begin to challenge and redefine them. This skepticism is essential for fostering critical thinking, promoting social change and striving towards a more equitable society.

 


That Tech Quote, 

was first published on TST 2 years ago.

The end. Refresh for another set.

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