Mathematics — Corner Case — The Hallway Problem

General solution Extent of beam path (1)Reference: https://en.wikipedia.org/wiki/Line-line_intersection Extent of beam path (2) Extent of beam path (3) Extent of beam path (4) Finite width beam (1) Finite width beam (2) Finite width beam (3) Finite width beam (3)

Total Solar Eclipse — Texas — Apr 8 2024

Eclipse Simulator Screenshot Thumbprint map of 2023 annular eclipse and 2024 total eclipse See links at top of post for detailed maps

2×2 RC Sequence Dec 2020

[ ( R’ D ) ( R D’ ) ] [ ( R’ D ) ( R D’ ) ] [ ( R’ D ) ( R D’ ) ] [ ( R’ D ) ( R D’ ) ] [ ( R’ D ) ( R D’ ) ] [ ( R’ D ) […]

Wondering about the History of Horseshoes Dec 2020

http://khoitsmahq.firstcloudit.com/images%2Fcanvas.html

NSF, Loyola University, New Orleans 1967 SSTP Program Sep 2020

Sir Martyn Poliakoff, Element 33, and the periodic chart of videos Sep 2020

Sol-20 Jul 2020

The Sol-20 home computer, with an Intel 8080 (2 MHz, RAM 1 kB up to 64 kB max), as seen in 1977 at Interactive Computers Located at 7646 1/2 Dashwood In Houston, Texas From the wiki: ‘The design was originally suggested by Les Solomon, the editor of Popular Electronics. He asked Bob Marsh of Processor […]