https://www.lomont.org/tags/physics/ Recent content in Physics on Lomont.org Hugo en-us Mon, 07 Dec 2020 20:25:57 -0500 https://www.lomont.org/posts/2020/rtk-gps-project/ Mon, 07 Dec 2020 20:25:57 -0500 https://www.lomont.org/posts/2020/rtk-gps-project/ <p>I built a RTK-GPS gadget and wrote enough software to do basic GNS tasks such as finding distances, decoding GPS NMEA and RTCM messages, finding intersections, and doing boundary detection.</p> https://www.lomont.org/talks/2017/distance-ladder/ Sun, 19 Nov 2017 12:58:24 -0400 https://www.lomont.org/talks/2017/distance-ladder/ <p>The Cosmic Distance Ladder is how mankind has determined the distances to various astronomical objects, basically by deducing closer &ldquo;rungs&rdquo; on the ladder and using them to determine farther distances (higher rungs on the ladder).</p> <p>These notes are from Terry Tao, modified by me to suit my audience and to add other topics.</p>