Physics of the Anti-Snow Worm Infestation (cold+snap snow winter ). Photo by phnielsen
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Physics of the Anti-Snow Worm Infestation

Uploaded by: phnielsen

Monday December 9, 2013

Mahomet, IL (Current Weather Conditions)

Caption: This picture shows a likely culprit at work. Apparently some of the relatively large salt granules were tossed away from where most of the salt was spread. The right combination of pavement and snow characteristics and temperature and irregularities of the salt granule work together to create the “anti- snow worms”. The melted liquid provides a lubricated path for the motion of the granule. The forces responsible for the directional motion of the granule are not known to the author.

Manufacturer: Panasonic

Model: DMC-ZS5

Orientation: top - left

x-Resolution: 180.00

y-Resolution: 180.00

Resolution Unit: Inch

Software: Ver.1.0

YCbCr Positioning: co-sited

PRINT Image Matching: 208 bytes undefined data

Compression: JPEG compression

Exposure Time: 1/125 sec.

FNumber: f/4.0

Exposure Program: Normal program

ISO Speed Ratings: 200

Exif Version: Exif Version 2.21

Components Configuration: Y Cb Cr -

Compressed Bits per Pixel: 4.00

Exposure Bias: -0.66 EV

MaxApertureValue: 3.44 EV (f/3.3)

Metering Mode: Spot

Light Source: 9

Flash: Flash did not fire, compulsory flash mode.

Focal Length: 4.1 mm

FlashPixVersion: FlashPix Version 1.0

Color Space: sRGB

PixelXDimension: 3264

PixelYDimension: 2448

Sensing Method: One-chip color area sensor

File Source: DSC

Scene Type: 1

Custom Rendered: Normal process

Exposure Mode: Auto exposure

White Balance: Manual white balance

Digital Zoom Ratio: 3.00

Focal Length In 35mm Film: 25

Scene Capture Type: Standard

Gain Control: Low gain up

Contrast: Normal

Saturation: Normal

Sharpness: Normal

InteroperabilityIndex: R98

InteroperabilityVersion: 0100

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Display: 50, 100, 200 Sort: Newest First - Order Posted
2. ktwxdog
7:28 PM GMT on December 13, 2013
I give you a 10 for creativity - LOL. At first I thought you were talking about actual worms but apparently not. Thank goodness, I always feel sorry for those little guys.
Action: Quote | Ignore User
Member Since: August 20, 2005 Comments: 247
1. IndianaJohn
4:12 PM GMT on December 13, 2013
Interesting and amusing.
Those who are interested may enjoy a google search; walking rocks of death valley
Action: Quote | Ignore User
Member Since: June 26, 2009 Comments: 864

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About phnielsen


Many of my pictures are taken on my morning run. In the years before digital cameras, I saw lots of transient natural phenomena worthy of being photographed, but camera equipment was too big and bulky to carry while running. Now there are small versatile digital cameras available that can do most everything that used to take a case of equipment.

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