Image:VibratingGlassBeam.jpg

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Description
English: Made by myself. I melted a borosilicate capillary tube with a blowtorch into the shape (a en:cantilever beam) seen, clamped it in a micrometer (that's what micrometers are for, yes?), and photographed it vibrating. Flash photo + 1/8 second exposure to show vibration and a frozen moment in one picture.

A micrometer was used because it has carbide faces which are four times stiffer than glass (and twice stiffer than steel), makes for an excellent cantilever beam mount. Though I've had problems with poorly clamped beams, this probably makes no difference but it makes me sound smarter.

This photo was selected out of 59 tries.
Source

Transferred from en.wikipedia
Date

2007-06-16 (first version); 2007-09-13 (last version)
Author

Ben pcc
Permission
(Reusing this image)

Released into the public domain (by the author).

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[edit] License information

Public domain This image has been (or is hereby) released into the public domain by its author, Ben pcc at the wikipedia project. This applies worldwide.

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Ben pcc grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

[edit] Original upload log

The original description page is/was here. All following user names refer to en.wikipedia.

  • 2007-09-13 17:40 Ben pcc 1280×852×8 (104042 bytes) == Summary == Made by self. I melted a borosilicate capillary tube with a blowtorch into the shape (a [[cantilever]] [[Beam theory|beam]]) seen, clamped it in a micrometer (that's what micrometers are for, yes?), and photographed it vibrating. Flash photo
  • 2007-06-16 04:02 Ben pcc 1600×1200×8 (199228 bytes)
  • 2007-06-16 04:00 Ben pcc 1600×1200×8 (144230 bytes)
  • 2007-06-16 00:19 Ben pcc 1280×960×8 (137764 bytes) Made by self. I melted a borosilicate capillary tube with a blowtorch into the shape seen, clamped it in a micrometer (that's what micrometers are for, yes?), and photographed it vibrating. Flash photo + 1/4 second exposure to show vibration and a frozen

File history

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Date/TimeDimensionsUserComment
current20:01, 21 January 20081,280×852 (102 KB)Rocket000 ({{Information |Description={{en|Made by myself. I melted a borosilicate capillary tube with a blowtorch into the shape (a en:cantilever beam) seen, clamped it in a micrometer (that's what micrometers are for, yes?), and photograph)

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Camera manufacturer NIKON
Camera model E5700
Exposure time 1/8 sec (0.125)
F-number f/4.2
Date and time of data generation 10:29, 13 September 2007
Lens focal length 61.5 mm
Orientation Normal
Horizontal resolution 72 dpi
Vertical resolution 72 dpi
Software used E5700v1.1
File change date and time 10:29, 13 September 2007
Y and C positioning 2
Exposure Program Manual
ISO speed rating 100
Exif version 2.2
Date and time of digitizing 10:29, 13 September 2007
Image compression mode 4
Exposure bias 0
Maximum land aperture 3
Metering mode CenterWeightedAverage
Light source Flash
Flash 89
Color space sRGB
Custom image processing Normal process
Exposure mode Manual exposure
White balance Manual white balance
Digital zoom ratio 0
Focal length in 35 mm film 242
Scene capture type Standard
Contrast Normal
Saturation Normal
Sharpness Normal
Subject distance range Unknown