Engineering

Research continues showing gains in DNA computing

For the uninitiated in biological computing, the ZDNet headline may have suggested a language processing experiment gone haywire: "Test tube DNA computer calculates the square root of 900."

Engineering

The future of 'extremely' energy-efficient circuits

Data centers are processing data and dispensing the results at astonishing rates, and such robust systems require a significant amount of energy—so much energy, in fact, that information communication technology is projected ...

Business

Researchers wrest control of one of world's most secure PLCs

Cybersecurity researchers at Tel Aviv University and the Technion Institute of Technology have discovered critical vulnerabilities in the Siemens S7 Simatic programmable logic controller (PLC), one of the world's most secure ...

Engineering

Creating 3-D images with regular ink

This month, 5,000 distinctive cans of Fuzzy Logic beer will appear on local shelves as part of Massachusetts-based Portico Brewing's attempt to stand out in the aesthetically competitive world of craft beer.

Engineering

Engineers 3-D print smart objects with 'embodied logic'

Even without a brain or a nervous system, the Venus flytrap appears to make sophisticated decisions about when to snap shut on potential prey, as well as to open when it has accidentally caught something it can't eat.

Robotics

Soft robots utilize humidity gradient levels to generate signals

A team of researchers at the U.S. Air Force Research Laboratory, Wright-Patterson Air Force Base, has developed a type of soft robot that can generate signals without using electricity. In their paper published in Proceedings ...

Computer Sciences

Why slowing down London's subway could make it more efficient

(Phys.org)—An international team of researchers has found that because of interconnectedness between methods of transportation, slowing down trains in London's subway (The Underground, or tube) would actually increase efficiency. ...

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Logic

In philosophy, Logic (from the Greek λογική logikē) is the formal systematic study of the principles of valid inference and correct reasoning. Logic is used in most intellectual activities, but is studied primarily in the disciplines of philosophy, mathematics, semantics, and computer science. It examines general forms which arguments may take, which forms are valid, and which are fallacies. In philosophy, the study of logic is applied in most major areas: ontology, epistemology, ethics, metaphysics. In mathematics, it is the study of valid inferences within some formal language. Logic is also studied in argumentation theory.

Logic was studied in several ancient civilizations, including the Indian subcontinent, China and Greece. Logic was established as a discipline by Aristotle, who gave it a fundamental place in philosophy. The study of logic was part of the classical trivium, which also included grammar and rhetoric.

Logic is often divided into two parts, inductive reasoning and deductive reasoning.

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