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SciManDan

SciManDan

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Debunking pseudoscience with physics/earth‑science evidence

Flat Earther Phones an Observatory to Tell Them They're Wrong About Space
Video•Mar 11, 2026

Flat Earther Phones an Observatory to Tell Them They're Wrong About Space

The video follows flat‑earther Mikey Smith as he phones a visitor information desk at a Hawaiian observatory, demanding authentic footage of individual stars such as Sirius and Venus. He claims his iPhone‑captured binocular video proves how those celestial bodies truly appear, and he repeatedly insists that space is a vacuum bounded by a solid dome. Observatory staff politely explain that their facilities operate professional telescopes, not consumer‑grade optics, and that most of their work focuses on planetary and exoplanet research rather than providing raw star videos. The host interjects with scientific corrections, noting that stars are hundreds to thousands of light‑years away, so Earth’s nightly motion barely alters their apparent positions, and that the “frequency” language used by Mikey has no basis in astronomy. The segment ends with the host inviting Mikey to a proper interview, offering to share legitimate telescope images, and urging viewers to comment on the encounter. This exchange underscores the challenges faced by scientific institutions when confronting pseudoscientific claims and highlights the need for clear, accessible outreach to counter misinformation.

By SciManDan
The Internet Still Doesn’t Understand Contrails
Video•Mar 10, 2026

The Internet Still Doesn’t Understand Contrails

The video tackles the persistent chemtrail conspiracy by dissecting a clip of Oklahoma gubernatorial hopeful Jake Merik discussing “chemtrails” with a supporter. Host Simon Dan frames the exchange as a case study in how fringe theories blend unrelated atmospheric concepts—persistent...

By SciManDan
Flat Earther Tries to Insult Me Before Totally Fudging Physics
Video•Mar 9, 2026

Flat Earther Tries to Insult Me Before Totally Fudging Physics

Simon Dan’s latest video tackles a flat‑earther’s claim that east‑west flight times should differ if Earth spins at 1,040 mph. He argues the argument ignores that the atmosphere co‑rotates with the planet, so aircraft travel within a moving air mass and...

By SciManDan
When You Try to Prove 400 Years of Physics Wrong From Your Garage
Video•Mar 8, 2026

When You Try to Prove 400 Years of Physics Wrong From Your Garage

The video pits Simon Dan against self‑styled “homemade scientist” Paul Russell, who argues that everyday common sense overturns four centuries of physics, from Newtonian mechanics to lunar tidal theory. Russell’s central claim is that intuition—unmediated by experiments—should replace established scientific models,...

By SciManDan
Games | Chill | Q&A
Video•Mar 8, 2026

Games | Chill | Q&A

The live stream titled “Games | Chill | Q&A” centers on a community‑driven play‑through of the online games Time Guesser and GeoGuesser. The host invites viewers to help him reach the perfect 50,000‑point score by pinpointing exact locations and years...

By SciManDan
Playing One of the Toughest Games on the Internet
Video•Mar 7, 2026

Playing One of the Toughest Games on the Internet

In a relaxed Saturday‑session video, the host dives into Time Guessr, an online challenge that presents a photograph and asks players to pinpoint both the exact location and the year it was taken. The format is deliberately low‑key, focusing on...

By SciManDan
Six Times Astronomy Proved That Earth Orbits the Sun
Video•Mar 4, 2026

Six Times Astronomy Proved That Earth Orbits the Sun

The video by Simon Dan outlines six classic astronomical observations that independently demonstrate Earth’s orbit around the Sun, dismissing the antiquated geocentric view. He walks through retrograde motion, stellar parallax, Venus’s limited elongation, Mars’s apparent diameter changes, the seasonal shift of...

By SciManDan
Internet Physicist Thinks He Can Destroy the Globe With One Question
Video•Feb 26, 2026

Internet Physicist Thinks He Can Destroy the Globe With One Question

The video tackles a flat‑Earth proponent’s claim that a single question can “destroy” the globe model, framing it as a dramatic challenge to a multi‑billion‑dollar aerospace and navigation industry. Simon Dan introduces the premise, then quickly pivots to a broader...

By SciManDan