Guides
AI Features on Phones and Laptops: Hype Versus Evidence
Learn how to tell where an AI feature on a phone or laptop actually runs, what its maker promises, and which FTC cases show why accuracy and privacy claims need evidence before you pay.
Guides
How Software Updates Work and What to Do When One Fails
What updates change, how automatic and manual updating differ on iPhone, Android, Mac and Windows, what to check around an install, and how to find the failing stage.
Rules
How Long Can a Portable Power Station Run a Fridge? Real Runtime Math
Work out real fridge runtime from running watts, startup surge, duty cycle, and usable watt hours, then size a portable power station without guessing.
Guides
Plan a Reliable Smart Home and Fix It When Devices Go Offline
Map devices, hubs and accounts before buying, pick a control platform, set limits on automations and household access, then work through faults layer by layer.
Rules
How to Recycle Old Electronics Safely: US State Rules and Drop-off Options
How to recycle old electronics safely: US state e-waste laws, EPA-certified recyclers, Best Buy and Staples drop-off, and data wiping steps.
Start here
Guides
How Software Updates Work and What to Do When One Fails
What updates change, how automatic and manual updating differ on iPhone, Android, Mac and Windows, what to check around an install, and how to find the failing stage.
Guides
Batteries and Charging Explained: Chemistries, Limits and Fixes
Compare alkaline, NiMH, lithium-ion and lead-acid batteries, learn how charging limits and heat age a cell, and troubleshoot slow, failed or swollen batteries.
Guides
Plan a Reliable Smart Home and Fix It When Devices Go Offline
Map devices, hubs and accounts before buying, pick a control platform, set limits on automations and household access, then work through faults layer by layer.
Guides
Assistive technology funding through US vocational rehabilitation agencies
State vocational rehabilitation agencies can pay for assistive technology, training, and repairs, but only when the device serves a documented job goal.
Features
Assistive technology programs in Seattle and Boston: where to borrow, try and finance devices
A checked directory of the public assistive technology programs serving Seattle and Boston: device loans, demonstrations, reuse, low-interest loans and vocational rehabilitation.
Maintenance
Battery safety from Arizona heat to Minnesota cold, a US climate overview
Battery safety US climates: how heat and cold affect lithium-ion cells, what DOE guidance says, and storage and charging habits for every zone.
Latest from Tech Marsh
Guides
AI Features on Phones and Laptops: Hype Versus Evidence
Learn how to tell where an AI feature on a phone or laptop actually runs, what its maker promises, and which FTC cases show why accuracy and privacy claims need evidence before you pay.
Guides
Cloud gaming explained: how game streaming works and what you need to play
How cloud gaming works, which bandwidth, latency, Wi-Fi and device requirements the providers publish, and where streaming falls short of playing on local hardware.
Reviews
Technology units compared: bits, bytes, hertz, and watts
Technology units compared: learn what bits, bytes, hertz, watts, watt-hours, pixels, and prefixes measure—and what those labels cannot tell you.
Guides
How to read a tech spec sheet and see through marketing claims
Read a spec sheet in the right order: lock the exact model, test every 'up to' claim, normalise units, check the connection chain and verify badges, then score it pass or fail.