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What if everyone went for a dip in Lake Michigan?

February 11th, 2013 by

Today’s blog post features a fun bit of physics from Wired.com’s science blog.

Writer Rhett Allain, professor at Southeastern Louisiana University, received an interesting question over Twitter – “What would happen if everyone on the planet jumped in the water?”


 He writes:

“Let’s give a slightly refined version of the question.

‘If everyone on Earth went for a swim at the same time in Lake Michigan, how high would the water level rise?’

I have two primary assumptions to start with. First, I will assume that during this time the volume of water in Lake Michigan will be constant. So if the people make the water level rise, the water level will indeed rise instead of pushing water into the other Great Lakes. Second, I will assume that all of the humans in the lake are floating. If they aren’t ‘swimming’ or touching the bottom, then it will be easier to calculate the rise in the water level.”

Follow the link above for a fun Lake Michigan physics lesson.

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Making Sense of Social Media: Presented by Illinois-Indiana Sea Grant & Purdue Extension
‌
When: December 6, 2025, from 1 - 4:00 PM EST
Where: RDM Shrimp, RDM Shrimp, 101 N 850 E, Fowler, IN 47944
Registration Link in bio.
‌
Social media can be a great way to market your small business and products, but sometimes it might feel like you are casting a net again and again to find that your net is empty. After all, the point of using social media marketing is to connect with customers. By attending this workshop, you will:
-Hear Research Findings
-Participate in an Interactive Workshop Session
-Learn Real World Application
-Tour a Shrimp Farm
-Network at the “After Hour Social”
‌
This program is supported by the North Central Regional Aquaculture Center and put on in partnership with the Indiana Aquaculture Association Inc, RDM Shrimp, and Ohio Sea Grant, The Ohio State University.
‌
For questions contact Amy Shambach by email (ashambac@purdue.edu) or phone (317-238-0511)

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Open post by ilinseagrant with ID 18100693840687186
Making Sense of Social Media: Presented by Illinois-Indiana Sea Grant & Purdue Extension‌When: December 6, 2025, from 1 - 4:00 PM ESTWhere: RDM Shrimp, RDM Shrimp, 101 N 850 E, Fowler, IN 47944Registration Link in bio.‌Social media can be a great way to market your small business and products, but sometimes it might feel like you are casting a net again and again to find that your net is empty. After all, the point of using social media marketing is to connect with customers. By attending this workshop, you will:-Hear Research Findings-Participate in an Interactive Workshop Session-Learn Real World Application-Tour a Shrimp Farm-Network at the “After Hour Social”‌This program is supported by the North Central Regional Aquaculture Center and put on in partnership with the Indiana Aquaculture Association Inc, RDM Shrimp, and Ohio Sea Grant, The Ohio State University.‌For questions contact Amy Shambach by email (ashambac@purdue.edu) or phone (317-238-0511)

This Halloween, we’re diving into the eerie depths of the Great Lakes.

Each lake has its own spooky story:

🕯️ Lake Superior hides ghost ships beneath its icy waves...
🦴 Lake Michigan whispers tales of vanishing beaches…
🌉Lake Huron hides prehistoric hunting camps on a lake bottom ridge...
🧪 Lake Erie bubbles with algal blooms that glow like potions...
🦠 Lake Ontario was first to host strange creatures like the blood sucking sea lamprey.

Never fear, we have resources to help you make these fascinating topics less frightening at iiseagrant.org/education.

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Open post by ilinseagrant with ID 18068749643060732
This Halloween, we’re diving into the eerie depths of the Great Lakes.Each lake has its own spooky story:🕯️ Lake Superior hides ghost ships beneath its icy waves...🦴 Lake Michigan whispers tales of vanishing beaches…🌉Lake Huron hides prehistoric hunting camps on a lake bottom ridge...🧪 Lake Erie bubbles with algal blooms that glow like potions...🦠 Lake Ontario was first to host strange creatures like the blood sucking sea lamprey. Never fear, we have resources to help you make these fascinating topics less frightening at iiseagrant.org/education.
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