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The Growing Tension Between Undergraduate and K-12: Is CS for All, or Just Those Who Get Past the Caps?
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The Growing Tension Between Undergraduate and K-12: Is CS for All, or Just Those Who Get Past the Caps?

 Are we repeating the 1980's? It's even worse now.

What Is a Variable?
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What Is a Variable?

A stab at a definition, for outsiders, of what we in computing mean by the term "variable" raises more questions than it answers.

More Replicas of Historical Calculating Machines Found
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More Replicas of Historical Calculating Machines Found

Documenting the discovery of several previously unknown replicas of historical computing devices made by Roberto A. Guatelli.

The Ethical Responsibilities of the Student or End-User Programmer
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The Ethical Responsibilities of the Student or End-User Programmer

If a student's program goes awry, who is responsible? How do we protect society and encourage people to learn about code? 

Computer Science Relies on the Opposite of Godel's Results
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Computer Science Relies on the Opposite of Godel's Results

The first-order theories of Gödel's results necessarily leave mathematical objects ill-defined.

The Model Maker of Leonardo da Vinci, Blaise Pascal, and Charles Babbage
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The Model Maker of Leonardo da Vinci, Blaise Pascal, and Charles Babbage

Discovery of a previously unknown replica of the legendary Swiss Millionaire calculating machine at Carnegie Mellon University in Pittsburgh, PA.

Broadening Participation in Computing Is Easier Than You Think
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Broadening Participation in Computing Is Easier Than You Think

Some small steps that can make a big difference.

Short Take: Big Data and IoT in Practice
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Short Take: Big Data and IoT in Practice

Looking at some use cases for the adoption of big data in industries that deal with physical things, and drawing some inferences.

There Are No Digital Humanities
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There Are No Digital Humanities

Many think that the opposite of digital is analog or mechanical.

FictionStein
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FictionStein

Science fiction like Frankenstein nudges readers to confer humanity but nudges them away from moral fortitude.

The Formal Picnic Approach to Requirements
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The Formal Picnic Approach to Requirements

A mathematical excursion will improve your requirements.

Direct Instruction is Better than Discovery, but What Should We be Directly Instructing?
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Direct Instruction is Better than Discovery, but What Should We be Directly Instructing?

We should teach students directly, not expect them to discover for themselves. What should we be teaching directly?

A Tale of Two CTs (and a Revised Timeline for Computational Thinking)
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A Tale of Two CTs (and a Revised Timeline for Computational Thinking)

Rethinking the timeline of Computational Thinking to recognize several computer scientists in addition to Jeannette Wing.

Scalable Intelligent Systems by 2025
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Scalable Intelligent Systems by 2025

People are fundamental to a Scalable Intelligent System; there is no computer-only solution that can implement such a system.

Ten Traits of Exceptional Innovators
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Ten Traits of Exceptional Innovators

I have had the privilege of meeting, and in some cases closely interacting with, pioneer scientists, technologists, and entrepreneurs, including Nobel, Fields,...

What Children Want to Know About Computers
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What Children Want to Know About Computers

Does a super computer have a really big chip in it? Would we be more or less clever if computers had never been invented? These are the sorts of questions which...

Changing Who Pays for CS Professional Development in the U.S. and Who Controls It: It Has to be Local
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Changing Who Pays for CS Professional Development in the U.S. and Who Controls It: It Has to be Local

In the U.S., a shift in who pays to prepare computer science (CS) teachers.

Mystery Dating of the World-famous 'Millionaire' Calculating Machine Solved
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Mystery Dating of the World-famous 'Millionaire' Calculating Machine Solved

Regarding the discovery of new documents about the H.W. Egli AG (Zurich) company in the Museum für Kommunikation, Berne, Switzerland.

What Turing and Church Left Out
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What Turing and Church Left Out

Concurrency control for readers and writers in a database is a classic problem that illustrates the power of message passing.
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