Blogs about: Spinoza
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An origin of Spinoza's "cones of rays" explanation, Letter 40
Kepler and How Spinoza Viewed the Eye and Light As a point of reference it is important to locate the origin of Spinoza’s phrase “cones of rays” found in his letter 40, since implic… more »
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An origin of Spinoza's "cones of rays" explanation, Letter 40
kvond wrote 19 hours ago: Kepler and How Spinoza Viewed the Eye and Light As a point of reference it is important to locate t … more »
Descartes' 8th Rule: A Spinoza Touchstone
kvond wrote 21 hours ago: Rules For the Direction of the Mind, gives clue to Spinoza’s concept of the instrumentation o … more »
The Simple Microscope in the Hands of Van Leeuwenhoek and Huygens
kvond wrote 1 day ago: Spinoza’s Microscopology: a prospective comparison of context It strikes me that there is a su … more »
Some Rough Thoughts On Spinoza and Technology
kvond wrote 3 days ago: The Free Hand Christiaan Huygens's assited lens mechanism Today, in contemplating Spinoza … more »
The Rijnsburg Lathe: Like the Sun, not 200 Feet Away
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kvond wrote 3 days ago: Mystery Solved: Rijnsburg Lathe, a 19th Century Woodturner’s Lathe Stan Verdult over at the ex … more »
Peace
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heretoliveoutloud wrote 4 days ago: Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, conf … more »
What Spinoza and Huygens Would Have Seen
kvond wrote 6 days ago: Telescoping with Spinoza and Christiaan Huygens The night sky, 11:31 p.m. July 13th 1665 near Voo … more »
Well, Hello There!
terrorbooty wrote 6 days ago: get a grip And a good day to you, fair friend! The name’s Terrorbooty but don’t let the … more »
Nicholas Bion cites Huygens's "Dioptricks" and the Traces of Spinoza's Microscope
kvond wrote 6 days ago: Stuart Talbot sends me this citation regarding the ground or unground nature of Huygens’ micro … more »
Huygens Appropriation Further Notes and Complications
kvond wrote 6 days ago: More Notes on Huygens’s New Microscope Having now read Marian Fournier’s “Huygen … more »
Spinoza: Letter 40
— 1 comment
kvond wrote 1 week ago: Below the pertinent, optically related passages from letter 40, for reference sake. Spinoza in this … more »
Constantijn Huygens Uses Spinoza's Grinding Dish (1687)
kvond wrote 1 week ago: In correspondence Wim Klever directs my attention to evidence that the Huygenses used Spinoza’ … more »
As Lensmaker: A Quick Overview
kvond wrote 1 week ago: A Moment’s Reflection It strikes me that it would take to give myself a review, a where-its-a … more »
On the Issue of Clarity and Light: Van Leeuwenhoek's Lenses
kvond wrote 1 week ago: Because the grinding of a droplet-made spherical lens can increase the clarity of the glass in use … more »
Why Spinoza's Method of Lens Polishing Might Have Been Integral
kvond wrote 1 week ago: How The Clouded Glass Sphere Becomes Opened up to Light Al Shinn has given me a link to work bein … more »
Hooke's Method of the Single Bead Lens
kvond wrote 1 week ago: In suppliment to my last thoughts on the spread of the simple microscope, and the unlikelihood that … more »
Did the Huygenses "buy" Spinoza's lens polishing technique?
kvond wrote 1 week ago: The Meteoric Rise of Huygens’s Microscope The following is an exercise in historical imaginati … more »
Descartes' Dioptrics 7th Discourse and Spinoza's Letters 39 and 40
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kvond wrote 1 week ago: Telescopes and Turning a Flea into a Elephant To offer context to the question that Jelles poses in … more »
Descartes and Spinoza: Craft and Reason and The Hand of De Beaune
kvond wrote 2 weeks ago: Some Reflections on Letter 32 Descartes in 1640 reports to Constantijn Huygens, “You might th … more »
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