Verify the geometric series formula with a rectangle ===Video Timestamps=== 0:00 ½+¼+⅛+1⁄16+... 1:00 ⅓+1⁄9+1⁄27+... 2:03 ¼+1⁄16+1⁄64+... 3:18 1⁄k+1⁄k²+1⁄k³+... 4:27 Proving S ͚=t₁/(1-r)

★ Install: https://chrome.google.com/webstore/detail/focus-for-google-docs/djnloioaddlnmagobbcnjpppmbelfocf Focus helps you enter the writing flow by decluttering Google Docs and adding a pomodoro timer. See more here: https://joelgrayson.com/software/focus

An analysis of the new-zero carbon energy slider on En-ROADS (https://en-roads.climateinteractive.org/scenario.html). Download slides here: https://link.joelgrayson.com/new-zero-carbon-energy-presentation

Together, nuclear and renewable energy can power the world cleanly and stop climate change. PowerPoint: https://joelgrayson.com/the-need-for-a-nuclear-renaissance Article: https://joelgrayson.com/perspective/nuclear-energy 0:00 Presentation 8:07 Q&A

★ Extension: https://chrome.google.com/webstore/detail/homework-checker-schoolog/aflepcmbhmafadnddmdippaajhjnmohj/ Open-source code: https://github.com/JoelGrayson/Homework-Checker

★ Arduino Code at https://github.com/JoelGrayson/Guardbox In this project, I was tasked to build a safe and present it in under 24 hours. Here's what I built. 0:00 Guardbox 0:47 Demo & Explanation 2:48 Building Process 3:14 Outro

You can view the arduino's code at https://github.com/JoelGrayson/Eater-Arduino-Game

Compounds that changed history chemistry project.

I loved preparing this! There were many challenges, setbacks, and hopes, and I will remember this for the rest of my life. I pretended to be my dean through a live deepfake. One zoom tile is my real dean, the other is a deepfake, and there are three more pre-recorded tiles because the more the merrier! ••• Mentions ••• Thank you to my dean for meeting with me and allowing me to do this, and all who contributed to the open-source deepfake program, https://github.com/alievk/avatarify-python 0:00 Intro 0:28 Deepfake 2:48 Outro

➡️ Pick your color and duration here: https://joelgrayson.com/zoom-timers After publishing this video, I added some more color options: White ⚪️, Yellow 🟡, Maroon 🔴, Green 🟢, Blue🔵, Black ⚫️ Suggestion? Send me a note: https://joelgrayson.com/contact

✦ Source Code: https://joelgrayson.com/tesseract-os

:D

Student Council Campaign: https://joelgrayson.com/joel-for-grade-rep-2020

8th-grade chemistry project about propane. 5/25/20

My 8th-grade quadratics project (2020).

Mi anuncio para una computadora inventada. (2020)

Hi i am 11, and i built this for a fundraising for The American Red Cross.

Hi again, I thought I would show you a cardboard machine i made.