Tag Archives: camera

72 (ppi for posting an image on the web)

On a trip, you take many photographs (10+3) on your digital camera.  You can delete the bad ones (10+2) and download the good ones (10+2) onto your laptop.  Then you decide to post one image (100) on the web. 72 ppi (pixels per inch) is still the standard size for posting an image on the [...]

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Finding Powers of 10 in 10 random topics…

Many of us worry about things that we can’t see with the naked eye because they seem so abstract that they are hard to comprehend. Thinking about these 10 random topics at different powers of 10 helps give one a starting point. – cloning using DNA (10-9) of sheep (100), flowers (10-2), or ants (10-3) [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1481 days ago