Meta’s Muse Takeover, Hallucinated Nukes, and Underwater Solar Panels | Tech News of the Week

Welcome to Tech News of the Week for 09/21/2026. This week we are covering: Meta's new AI assistant Muse taking over social media handles and topping the App Store charts, TypeSafe AI launching its lightning-fast System 1 decision-making model Jev, Apple releasing OS 27 alongside Siri AI, and much more.

Everybody Wants To Kick Mark Zuckerberg

Meta launched its new personal AI assistant Muse, taking over social media handles formerly belonging to the rock band Muse and rocketing to the top of the App Store despite lingering privacy questions.

🔹 https://www.businessinsider.com/meta-muse-personal-ai-agent-top-app-store-charts-2026-9

Jev Doesn’t Want To Talk To You

TypeSafe AI emerged from stealth to introduce Jev, a rapid System 1 decision-making model that foregoes a traditional chat interface to return lightning-fast, probability-based answers and classifications.

🔹 https://typesafe.ai/blog/introducing-system-one-models-and-jev

Apple Releases OSX, iOS, and iPadOS 27 And Desperately Hopes Everyone Forgets that 26 Ever Happened

Apple rolled out version 27 across its operating system lineups to fix the issues of version 26, bringing welcome stability alongside hardware-demanding Siri AI integration.

🔹 https://www.apple.com/os/ios/

Hallucinating AI Almost Destroys Humanity

An intelligence report relying on an unverified chatbot hallucination falsely claimed banned nuclear arms were on a Chinese vessel, nearly provoking the US Navy to forcibly board the ship.

🔹https://arstechnica.com/ai/2026/09/report-us-almost-boarded-chinese-ship-over-hallucinated-ai-arms-report/🔹https://en.wikipedia.org/wiki/Nuclear_close_calls#Unintentional_close_calls

Scientists Build Solar Panels That Can Work Underwater

Researchers developed a specialized perovskite solar cell capable of resisting saltwater damage and absorbing dim underwater light to power submerged research equipment.

🔹 https://www.techspot.com/news/113856-underwater-solar-power-sounds-impossible-new-perovskite-cells.html

Internet Explorer Will Finally Die in 2029- Sort Of

Microsoft announced that Internet Explorer mode inside Microsoft Edge will remain supported until 2029, giving organizations a final runway to modernize legacy internal web applications.

🔹 https://windowsreport.com/microsoft-is-keeping-ie-mode-alive-inside-edge-until-at-least-2029/

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• (00:00) - Intro
• (02:21) - Everybody Wants To Kick Mark Zuckerberg
• (05:59) - Jev Doesn’t Want To Talk To You
• (09:14) - Apple Releases OSX, iOS, and iPadOS 27 And Desperately Hopes Everyone Forgets that 26 Ever Happened
• (13:34) - Hallucinating AI Almost Destroys Humanity
• (16:18) - Scientists Build Solar Panels That Can Work Underwater
• (18:57) - Internet Explorer Will Finally Die in 2029- Sort Of