Phone charging explained through negotiation, not wattage — USB PD voltage profiles, why the cable fails first, proprietary trade-offs and Qi2 wireless.
A smartwatch buying guide that quotes the FDA clearance limits on heart-rhythm alerts, sorts cleared from wellness sensors, and settles the battery trade-off.
A tablet buying guide that sorts by job — media, notes or laptop replacement — and prices the accessory tax, update window and repairability class honestly.
Mobile chipsets explained block by block — why headline clock speeds mislead, why TOPS is not comparable, and why the modem nobody reviews matters most.
A used phone buying checklist covering support-window math, repairability class, physical inspection order, activation lock and IMEI checks before payment.
Android vs iPhone compared on workflow and geography — what the EU Digital Markets Act actually changed on iOS, and the six questions that settle the choice.
Smartphone battery life testing separates runtime from longevity, explains why cross-review hours are not comparable, and converts 800 cycles into real dates.
Compare smartphone cameras by sensor area and processing rather than megapixels, with a repeatable test method and what sample galleries hide.
A budget phone buying guide that ranks update windows, memory and storage type above processor specs, and names the compromises that end a cheap phone early.
A flagship phone buying guide built on the EU energy label: repairability scores, 800-cycle batteries, update windows and where flagship marketing overreaches.
