Tag Archives: exponential growth

43 (rd parallel north)

Today the path of Hurricane Irene crossed over the 43rd parallel north of the equator in the United States (New York, Vermont and New Hampshire).  As Hurricane Irene continues to sweep across the East Coast of the United States and causes major devastation in its path, here is a description from the Hurricane Preparedness – [...]

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(0.) 61 (m/s)

Did you know that the speed of sound can change with a change of temperature? From Charles E. Speak’s Introduction of Sound, “…the speed of sound increases approximately 0.61 m/s (61 cm/s or 2 ft/s) for each 1° C increase in temperature…” At NASA’s Dynamics of Flight, there are some helpful diagrams explaining how sound [...]

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76 (dB)

Making noise!  Decibels (or dBs) are how sounds are measured usually on a range from 0 dBs to 120 dBs. A whisper would be about 30 dBs. 75 -80 dBs would be the sound that an air conditioner or vacuum cleaner would make.  A  subway train would be about 100 dBs. Exposure to sound levels [...]

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Baseball, Arcs and Exponential Growth

On the homepage of the website, I have enjoyed scrolling through the different categories like Patterns, to look at the different examples and to think about where else one might see those same forms at different scales. While watching a lot of baseball, it has been fun to guess when the baseball is hit what [...]

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Ice Cream Trucks and Superman

One of my favorite moments in Scale is the New Geography (a very helpful teaching tool for leading Power of Ten workshops)  is when Eames Demetrios in Some Tools for Teaching Scale is in the middle of describing an aspect of scale and an ice cream truck drives by with its chirping ice cream music [...]

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  • Countdown to Powers of Ten Day

    • 10/10/10 1390 days ago