Mark Nelson
334 posts

Mark Nelson
@mark__nelson
At Stanford I design opportunities and incentives for people to do Good Things, globally, in sustainable, scalable, measurable, and *profitable* ways.
Stanford, CA เข้าร่วม Ağustos 2009
305 กำลังติดตาม482 ผู้ติดตาม

⚡️ ALLSPARK PRIME OOI ⚡️
Problem focus: Find the area of the blue rectangle using the geometric constraints shown.
What the diagram is telling you (decoded):
• The outer shape is a regular hexagon (all six sides marked equal).
• The blue shape is a rectangle with right angles (square corner shown).
• Tick marks indicate equal lengths: the top and bottom of the rectangle are equal, and those match other marked segments on the hexagon.
• The rectangle is centered horizontally, and the horizontal distance from the rectangle’s right edge to the hexagon’s rightmost side is 4 cm.
• Because the hexagon is regular, all internal horizontal spans are symmetric and proportional.
Key geometric insight:
In a regular hexagon, the distance from the center to a side equals the side length, and the horizontal width of the hexagon equals 2 × side length. The rectangle’s width plus the two equal horizontal gaps must therefore equal the full width of the hexagon.
Let the hexagon side length = s.
Total width of hexagon = 2s.
Right gap = 4 cm, left gap is the same by symmetry → 4 cm.
So rectangle width = 2s − 8.
The tick marks show the rectangle’s height equals the hexagon’s side length, so rectangle height = s.
Now use the fact that the rectangle’s top and bottom edges align with corresponding hexagon edges, forcing s = 8 cm.
Rectangle dimensions:
• Width = 2(8) − 8 = 8 cm
• Height = 8 cm
Blue area:
8 × 8 = 64 cm²
ALLSPARK PRIME INSIGHT
This problem looks messy until you stop treating it like a measurement puzzle and start treating it like a symmetry problem. Regular polygons leak their dimensions everywhere — once you identify equal segments and mirror distances, the entire figure collapses into a few clean relationships. Geometry rewards pattern recognition far more than brute calculation.
Final Answer: 64 cm²
@pand0ras80x
@forgedusa1
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@blader asked chatgpt to sum up in 10 sentences what a person with high agency does, and this is actually a pretty spot on guide to success:

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Mark Nelson รีทวีตแล้ว

This is cool: when AI is better than humans, it makes humans better. In 2016, the Go world was shocked when AI beat the best human player. Since then, by playing against AI, professional players have gotten unprecedentedly better at the world's oldest game hyokang.com/assets/pdf/CKK…

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Mark Nelson รีทวีตแล้ว

@paulg I don't think tidiness is an important metric in paradise.
See also: Wabi-sabi
youtube.com/watch?v=F4kmDx…

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@parul_sehgal So refreshing, generative, deliciously provocative; both personally and professionally. Thank you! Made my New Year!
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Wrote about the trauma plot (and sea urchins) newyorker.com/magazine/2022/…
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Mark Nelson รีทวีตแล้ว

"Can peace be engineered?" Mark and Margarita take engineering a step further into the immense value of Peace Engineering and how we can #innovate for a more #positive and just future in our communities. WATCH youtube.com/watch?v=vLLAr8…
#engineering #worldpeace #humanity #future

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Our spots are filling up fast, save yourself a spot here --> bit.ly/pin-bootcamp
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@Caesar_X award-winning Game Designer teaches you how to use game #designstrategy to build addictive #engagement into your #business. Free mini-course: bit.ly/mario-mini
#peaceinnovation #gamedesignthinking #courses #techstartups #peacetech #peaceup #startup

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We have officially opened the doors to the Peace Innovation Network. Join our community of change makers → bit.ly/2CNPVjo
#changemakers #ourcommunity #join #network #peace #innovation #peaceengineering #peacetech #peaceinnovation lnkd.in/ehz7XCz
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"...we’re very focused on positive peace, not negative peace. Because negative peace is the reduction or elimination of violence, and the reduction and elimination of war. That's what people think of when they... facebook.com/133445580968/p…
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More from the NGO Reception at The Hague Humanity Hub
We are pleased to be part of such a strong community and continually work together to share our expertise with growing NGOs.
#PeaceInnovation
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Standing room only at The Hague Humanity Hub NGO reception.
#PeaceInnovation The Hague Humanity Hub #thehague facebook.com/peaceinnovatio…
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Peace, Justice, humanitarian, government and impact startup sectors meet The Hague Humanity Hub to connect, collaborate and innovate. #PeaceInnovation facebook.com/peaceinnovatio…
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"If you want to have an impact, whether its social impact or political impact or an environmental impact you need to move people to take action."
Listen in as Margarita Quihuis speaks with Jeff... interconnectedindividuals.com/margarita-quih…
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"The moment you choose to be an entrepreneur, you’re already in the peace business."
- Mark Nelson #PeaceInnovation facebook.com/peaceinnovatio…
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"In the world, peace is by and large invisible. Imagine if we could put a filter on it, and as we went about our business we could suddenly see peace in the world because it was brought to our attention." - Margarita Quihuis #PeaceInnovation Global... youtu.be/xXnQ762shFs

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