P.S. You Should Know... | Issue #232





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September 5 · Issue #232 · View online
P.S. You Should Know...
👋 Welcome back to P.S. You Should Know… probably the best newsletter published on Sundays between 6-7am CST, and definitely the best one published by me. Now in its fifth year!

my story 🚀
Splash pad and beach party in Madison 💦
Splash pad and beach party in Madison 💦
  1. Thanks everyone for the birthday love! I’m blessed to have so many of you wonderful people in my life.
  2. Job interview tips. We’re back in recruiting mode at NutriSense so I’m thinking a lot about interviews. I’d like to offer some very basic tips to help any candidate instantly enter the top 20%. First, Google the company and the interviewer, click through all page 1 and 2 results, and find some points of personal connection. Second, read the job ad and pick a story to share related to each qualification. Third, send a thank you email within a day. Simple, right?
fun facts 🙌
Gutta percha, the hardened latex of the Palaquium gutta tree. “Gutta percha was introduced to Europe in 1842 by Dr. William Montgomerie, a surgeon serving with the British army in the East Indies who had come across the substance in Singapore, where it was being used to make handles for machetes.” | learn more
Troll Research Station: how to operate an airport in Antarctica. “Before 2005, getting personnel to the Norwegian Polar Institute’s Troll Research Station (AT27/QAT) in Antarctica involved a weeks-long boat ride followed by a 250 kilometer trek over snow, ice, and rock. But in 2005, the research station opened its 3000 meter blue ice runway.” | learn more
Yale’s 367-year-old water bond still pays interest. “A 1648 Dutch water bond housed at Yale’s Beinecke Rare Book & Manuscript Library is unique among the tens of thousands of manuscripts that reside there. … It still pays annual interest more than 367 years after it was issued.” | learn more
oh, chicago 🏆
How Chicago lifted itself out of the swamp and became a modern metropolis. “In 1833, Chicago was a wilderness outpost of just 350 residents, clumped around a small military fort on soggy land where the Chicago River trickled into Lake Michigan.” | learn more
tech, startups, internet ⚡
Daikin’s scared of Tesla, launches ‘pay-per-day’ AC takes off in Africa. This isn’t a startup, but it’s certainly innovation. “Japan’s Daikin has kicked off an air conditioning "subscription” service in Africa that let’s users turn on the AC – only on days they need it – through a smartphone app. … It marks a business model shift for Daikin, which had until now focused primarily on manufacturing and selling the devices. It also marks a push into digital services, an area the Japanese giant sees necessary as it prepares for the entry of Tesla.“ | learn more
Cost of $499 Starlink terminal set to plunge. “One of the major barriers to entry to using SpaceX’s Starlink satellite-based ISP has been the cost of the terminal, which uses a phase-array antenna and which costs $499 (and reportedly costs Starlink more than $1300 to manufacture.)” | learn more
better doing 🎯
When costs are nonlinear, keep it small. “We like batching. Batching is more efficient doing ten at once is faster than doing one, one, two, one, one, etc. I don’t wash my socks as soon as I take them off, because lumping them in with the next load is free. Is it more efficient to save the shingle repair until it’s time to clean out the gutters? Unclear.” | learn more
Are we really more productive working from home? “Data from the pandemic can guide organizations struggling to reimagine the new office.” | learn more
to your health ⚕
Overweight adults should be screened for diabetes at 35. “The guideline was issued by the U.S. Preventive Services Task Force, which makes recommendations for preventive services and screenings that insurance companies must completely cover, without out of pocket costs to the insured, under the Affordable Care Act.” | learn more
retail therapy 💸
Amazon’s marijuana request. “Amazon has told its delivery partners to stop screening applicants for marijuana use, according to Bloomberg. Amazon said screening for marijuana reduces the number of job applicants by 30%. The company said eliminating the requirement increases applications by 400%.” | learn more
under the microscope 🔬
Liquid-metal energy harvester works underwater – and on dry land. “Although there are now a number of devices that generate electricity via movement, most of them only work in dry environments. A new one, however, also functions underwater – meaning it could be used in aquatic settings, implants, or wearables that regularly get exposed to sweat.” | learn more
Experimental chlorine battery holds 6 times more charge than lithium-ion. “Stanford University scientists experimenting with a decades-old, single-use battery architecture have developed of a new version that is not only rechargeable, but offers around six times the capacity of today’s lithium-ion solutions.” | learn more
big ideas 📚
Marc Lore wants to build a new city in America. The entrepreneur who founded Jet.com (and sold it to Walmart in the biggest acquihire ever), is hoping to build a brand new city, with the first residents moving in by 2030. | learn more
on the blockchain ⛓
NFTs and JPEGs. “are NFTs a bubble? no. wealth is a bubble. 1% of the global adult population are now millionaires.” | learn more
profiles of people 🚶
staying thirsty 🚰
calls to action 👇
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