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Programmable Logic DesignLine Blog
Content posted in September 2006
I have a question about Venn Diagrams
Programmable Logic DesignLine Blog  
9/29/2006   Post a comment
I know, I know, these representations are intrinsically simple in concept, yet I have a niggling memory of something that, well, I can't quite remember!
The Tertiary Period no longer exists!
Programmable Logic DesignLine Blog  
9/27/2006   Post a comment
Geologists have recently gone through a fairly thorough revision of the time scale; the Tertiary Period (from 65 to 1.8 million years ago) has been given the boot!
The most amazing visual illusion!
Programmable Logic DesignLine Blog  
9/25/2006   Post a comment
Called the "Rotating Turtles" illusion, this static image appears to move in front of your eyes to the extent you can become dizzy looking at it!
A reader responds to 'seeing schematics in color'
Programmable Logic DesignLine Blog  
9/21/2006   Post a comment
I just heard from an electronics engineer who reports experiencing seeing the wires linking logic gates in color (this is in schematics printed in black-and-white).
Fast and free Acrobat document viewer
Programmable Logic DesignLine Blog  
9/20/2006   Post a comment
This free viewer overcomes the two problems that make me rant and rave; the time it takes to open a PDF and the PDFs I can't open.
It's International Talk Like a Pirate Day!
Programmable Logic DesignLine Blog  
9/19/2006   Post a comment
Seriously, September 19 is one of the now-classic geek holidays and ranks right up there with 'Pi Day' (14 March) and 'Pi Approximation Day' (22 July).
Let's surprise Gabe Moretti!
Programmable Logic DesignLine Blog  
9/18/2006   Post a comment
The editor of our sister DesignLine site, EDAdesignline.com, is on vacation - the silly sausage has left me in charge - let's surprise him on his return!
Building a spectrometer from a CD and a cornflakes box
Programmable Logic DesignLine Blog  
9/13/2006   Post a comment
This interesting and easy-to-build home experiment may provide a hint on the path to solving a question I've been pondering (or not as the case might be).
The Khronos 4D projector
Programmable Logic DesignLine Blog  
9/12/2006   Post a comment
Named after the personification of time in ancient Greek Literature, the Khronos Projector provides a new way to manipulate pre-recorded movie content.
The 'box' that broke the Enigma code is rebuilt
Programmable Logic DesignLine Blog  
9/11/2006   Post a comment
Also, I'm more than a little surprised to discover that the 'machine' I'm currently using to as a door stop to keep my office door open may be worth $50,796!
Yet more free graphics programs
Programmable Logic DesignLine Blog  
9/8/2006   Post a comment
Folks continue to recommend really good graphics programs; meanwhile I'm busily looking for (accurate) spectral data on moonlight.
More cool low-cost (or free) graphics programs
Programmable Logic DesignLine Blog  
9/7/2006   Post a comment
How about a virtual easel that mimics oils, chalk, markers, crayons, pencils, and so forth?
A 'senses challenge' plus lots of other cool stuff
Programmable Logic DesignLine Blog  
9/6/2006   Post a comment
Among other things, we find an interactive challenge to our senses (each item comes with a short explanation as to how you can't always trust your perception).
From banana-plant solar panels to 406 MPH in a Peugeot 406
Programmable Logic DesignLine Blog  
9/5/2006   Post a comment
I've just returned from celebrating the Labor Day holiday (and by golly I was ready for it) to discover all sorts of cool stories in my email.


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