Mesh Wi-Fi Backhaul: Ethernet Ports and Slow Links
Wired your mesh Wi-Fi nodes with Ethernet but speeds are stuck around 90–100 Mbps? Join TuTu to trace port speeds, 8-wire Cat5e/Cat6 pinouts, switch loops, and negotiated link rates before buying another node.
US Flights With Power Banks: Packing and Airline Checks
Flying in the US with portable chargers or spare camera batteries? Join TuTu to separate FAA PackSafe watt-hour limits (100Wh vs. 160Wh), gate-checked bag traps, and airline-specific cabin storage rules.
iPhone Duo Display Cracking: Teardown, Dust & Warranty
Why are launch-week iPhone Duo inner displays cracking along the fold? Join TuTu to break down JerryRigEverything's durability test, iFixit's CT-scan teardown hotspot, sand ingress, case issues, and Apple's free replacement policy.
EPUB Library Loans: Formats, DRM and Accessibility
Borrowing digital library books often means running into mysterious .acsm files, DRM authorizations, and e-reader sync headaches. TuTu breaks down how EPUB loans work, from Adobe Digital Editions to Libby accessibility tools.
Accessible Slides: Reading Order and Useful Alt Text
Design slide decks that everyone can understand! Learn how to configure logical screen reader reading order, write useful alt text for charts, and mark decorative images in PowerPoint and Google Slides.
Roman Concrete: Lime Clasts and Self-Healing Claims
Investigating the material science behind ancient Roman concrete, examining MIT's lime clast discovery, hot mixing thermodynamics, and what laboratory tests actually prove about crack self-healing.
US Cooktops: Induction, Gas and Electric Compared
A grounded breakdown comparing induction, gas, and radiant electric cooktops across electrical circuit limits, ventilation, cooking physics, and cookware compatibility.
Power Pivot Relationships: Fix Duplicate Keys & Totals
Excel Power Pivot relationship errors through lookup-key duplicates, bridge tables and filter direction. The collection also examines why row totals repeat and how measure context differs from summing visible rows.
A few angles to explore with TuTu
Skim the notes and viewing moments, then pick a video that catches your interest. Creators may take different approaches. Compare them at your own pace and see what fits.