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Traveler's Notebooks, my personal TN "red dragon" made by myself for myself as a reward for quiting my job to make Traveler's notebooks and accesories full time =)
Just some random thought on how notebooks should be build. At least seen from the manufacturers' perspective.
This was one of the first steps to starting my journal. adding paper and scraps and skrunching and rolling the pages to give them lots of fun texture. Makes for a fat book almost instantly :)
Processor Intel Centrino 1,7 Ghz
Harddisk 80 Gbyte
DDRAM 512 Mbyte
DVD Combo Drive
Wi-Fi
Modem 56k
LAN 10/100
3x USB Ports
Audio Ports
Fire Wire IE1394 Ports
Infrared Port
VGA Ports
HARGA: Rp 3.150.000 (nego)
This was the last time I looked at diatoms through a microscope - on 18 January 1983! It has relevance to the Fourier transforms discussed in the previous two posts. Notably the viewing of the back focal plane of the objective relates to the computed power spectrum.
The colour drawing on the second page shows the grating diffraction produced by the diatom pattern of apertures, the light source being the condenser illuminated ring which is part of the phase contrast setup.
The drawing on the 3rd page shows a similar diffraction pattern from an almost closed condenser diaphragm at the centre of the field: this analogue image corresponds approximately to the computed (digital) power spectrum.
This is a good demonstration of Abbe's theory of microscope resolution: the numerical aperture of the objective has to be great enough to capture the diffraction pattern of the image fine structure.
Video tutorial is on Creativity Prompt.
Check out the blog post for a fantastic tip on how to thread embroidery floss through a needle in a split second!!!
Traveler's Notebook Regular size, stained with boiled walnut shell extract with a plain and an address book (template available on my blog, morganlefaestrinkets.blogspot.nl/p/travelers-notebook-ins...)