VoCore is open hardware and runs Linux(OpenWrt). It has 128MB DDR, WIFI, USB, UART, SDXC, I2C, SPI, 20+ GPIOs but only one inch square(25.8mm). It will help you to make a smart house, study embedded system or even make the tiniest router in the world.
You will not only get the VoCore but also its hardware design including schematic, circuit board, bill of materials and source code of all applications. You are able to control EVERY BIT of your VoCore.
We invite you join us, help our community improve this open source hardware and use your creative skills to make a more wonderful Internet of Things!


Tiny Size: One square inch, easy to embed to devices.
OpenWrt: Easy to code; super stable, three years no reboot.
Low Cost: low cost, less than 1watt, unmatched performance.
Interfaces: Hardware support USB, Ethernet, SD, I2C, SPI etc.
OpenSource: Both software and hardware, totally FREE
Long Life: Keep production over 10 years, fast email support.
Four Laws That Drive the Universe: Atkins, Peter - Amazon.com
The Third Law explores what happens when we strip a system of all its thermal energy. It states that as the temperature of a perfect crystalline substance approaches absolute zero (
"The Four Laws That Drive The Universe" by Peter Atkins is a masterful exploration of the fundamental principles governing the universe. By distilling complex concepts into an engaging narrative, Atkins provides readers with a deep understanding of the four laws of thermodynamics and their far-reaching implications. This book is an essential read for anyone interested in gaining a deeper appreciation for the workings of the universe and the laws that govern it.
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: It allows us to establish a objective, universal scale for heat measurement.
The law of energy conservation has far-reaching implications in various fields of science and engineering. For example, it is the basis for the concept of energy conversion, which underlies many technological applications, from power generation to transportation. Atkins illustrates the significance of this law with examples from everyday life, such as the conversion of chemical energy from food into kinetic energy when we walk or run.
Historical of the scientists involved
The Zeroth Law was formulated after the First and Second laws had already been named. Scientists realized that a more fundamental truth had been taken for granted: the concept of temperature itself. The Logic of Equilibrium
In summary, the four laws are: 0. (Temperature exists).
However, Atkins points out the "tragic flaw" in this law. While the First Law tells us that energy is conserved, it doesn't tell us how it will be used. It offers no preference. A cup of coffee cooling down conserves energy just as well as a cup of coffee heating up. To explain why one happens and the other doesn't, we need the next law. Four Laws That Drive the Universe: Atkins, Peter - Amazon
The third law has significant implications for our understanding of the behavior of materials at the atomic and subatomic level. Atkins discusses the role of the third law in understanding the behavior of solids, liquids, and gases, as well as its implications for the study of superconductivity and superfluidity.
These criticisms, however, do not diminish the book's core value. It remains a "gem" that accomplishes precisely what it sets out to do: provide a rigorous, compact, and elegantly written introduction to one of the most sweeping theories in all of science.
The fourth law, proposed by Peter Atkins, is not a traditional law of thermodynamics but rather a concept that underlies the behavior of particles and systems. The law of effective mass states that the mass of a particle or system is a measure of its resistance to changes in its motion. Atkins explains that this law is a consequence of the way particles interact with their environment, which affects their motion and behavior. This book is an essential read for anyone
Peter Atkins does not just explain these laws; he convinces you that they are the drivers of every chemical reaction, every biological heartbeat, and every distant supernova. To read this book is to understand the operating manual of reality. So find that , pour a cup of coffee (and watch it cool—enjoy the Second Law in action), and prepare to have your mind expanded.