The MEaSURE Project @themeasureproject.bsky.social · 27/09/2026Adding multiple beams is a lot harder than overlaying images...I don't know how accurate this is but it's a first attempt. It may be that where beams overlap the colors get washed out, and you still may have red/blue fringes on either side. 120
The MEaSURE Project @themeasureproject.bsky.social · 27/09/2026If you're more of a Pink Floyd fan, then you might prefer the triangular prism refraction demonstration. www.desmos.com/geometry/kqs... 020
The MEaSURE Project @themeasureproject.bsky.social · 27/09/2026For the #BlueSkyArtShow, I'm going to take "any art, any interpretation" very, very liberally and share this interactive #Desmos graph I made that shows how rainbows are made from #Lights through a water droplet. "Reverse contrast" in the settings so it looks like: www.desmos.com/geometry/pzt... 3162
The MEaSURE Project @themeasureproject.bsky.social · 26/09/2026Happy September, everyone! Whether you're enjoying autumn in the northern hemisphere or spring in the southern hemisphere, we're entering a season of moderate temperatures. I have been able to make some measurements this week...a full analysis to come, but I can share this in the meantime: 100
The MEaSURE Project @themeasureproject.bsky.social · 21/06/2026Doing a test experiment on today's solstice...results to follow! 002
The MEaSURE Project @themeasureproject.bsky.social · 20/03/2026Results updated! Combinations you don't see (1,5 and 2,4) were measured at the same location. I'm a little puzzled, because I thought I saw different numbers in there a minute ago. Will double check that everything is good on my end. Great job! 000
The MEaSURE Project @themeasureproject.bsky.social · 16/03/2026This Friday, March 20th, let's do an experiment! The sun is directly over the equator on the equinox, which means that you can directly determine your latitude with a shadow. If we are east/west of each other, the time difference between our noons gives us a longitude. We can measure the Earth! 124
The MEaSURE Project @themeasureproject.bsky.social · 24/09/2025With three measurers come three PAIRS of measurements. This means three independent calculations of Earth's radius. 100
The MEaSURE Project @themeasureproject.bsky.social · 24/09/2025Not unexpected, but participation is starting off slowly. I am hopeful that participation now will encourage more participation later. The best part is, every equinox's astronomical conditions are identical, so previous entries can still be part of the calculation! We have three data points so far. 110
The MEaSURE Project @themeasureproject.bsky.social · 22/09/2025Unfortunately, it's cloudy where I am today. I was prepared to take three classes outside to measure shadows! But I won't be able to contribute any measurements today. I'll try again in the spring! 110
The MEaSURE Project @themeasureproject.bsky.social · 13/06/20251. Find a flat, level surface 2. Set up a vertical ruler 3. Find true North (northern hemisphere) or true South (Southern hemisphere) 4. Wait for the equinox 5. Measure the length of the shadow at solar noon 6. Record the time of solar noon (UTC) 7. Go to the MEaSURE website and submit your data 031