Tag Archives: computer

Colour temperature and f.lux

Posted on 29th October by Mr Reid

All objects emit elec­tro­mag­netic radi­ation, and the type and amount of radi­ation emitted depends on the object’s tem­per­ature. The hotter the object, the higher the energy of the emitted EM radi­ation: a cold object will emit radio waves and as … Continue reading →

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How impressive are hard disks?

Posted on 10th February by Mr Reid

Via Kottke: If the read-write head [of a hard disk] was a Boeing 747 and the hard disk platter was the Earth then: The head would fly at Mach 800, At less than one cen­ti­metre from the ground, And count every blade of grass. … Continue reading →

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Logic gates with dominos

Posted on 3rd November by Mr Reid

Being able to con­struct logic gates is essen­tial in order to create a computer. These logic gates can be created with just about anything  —  sticks and string, cogs and gears, even DNA. The only reason com­puters are elec­tronic is because logic … Continue reading →

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Doug Englebart

Posted on 15th September by Mr Reid

Q. Who is Doug Engel­bart? And what is he holding in his hands?

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How computers calculate

Posted on 17th June by Mr Reid

A computer cal­cu­lates using binary  —  those are the 1s and 0s you’ve heard about. The marble machine in the video below replaces these 1s and 0s with “marble” and “no marble” to show how the cal­cu­lating process works. [youtube]http://www.youtube.com/watch?v=GcDshWmhF4A[/youtube]   It’s … Continue reading →

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