Category: Explainers
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Which Second Factors Resist Phishing
Read more: Which Second Factors Resist PhishingI was hunched over my workbench last Tuesday, squinting through a jeweler’s loupe at the escapement of a 19th-century French carriage clock, when I realized how much modern security talk…
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End to End and What Still Leaks
Read more: End to End and What Still LeaksI was sitting at my workbench last Tuesday, squinting through a jeweler’s loupe at the escapement of a 19th-century carriage clock, when my grandson asked me if his messages were…
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What a Vpn Does Not Hide
Read more: What a Vpn Does Not HideI spent thirty-four years in a physics classroom, and if there is one thing I learned, it’s that people will sell you a “miracle” solution just because they can’t explain…
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Unlimited With an Asterisk
Read more: Unlimited With an AsteriskI spent thirty-four years in a physics classroom teaching students that energy cannot be created or destroyed, only transformed. It’s a fundamental law. Yet, when I look at the fine…
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Roaming Costs and How to Avoid Them
Read more: Roaming Costs and How to Avoid ThemI remember sitting at my workbench last summer, squinting through a jeweler’s loupe at the escapement of a 19th-century carriage clock, when my phone buzzed with a notification that felt…
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Two Numbers on One Phone
Read more: Two Numbers on One PhoneI spent thirty-four years in a physics classroom watching students stare blankly at equations, waiting for the moment the math finally clicked into something real. Most tech reviewers do the…
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Esim and Why It Helps When Travelling
Read more: Esim and Why It Helps When TravellingI spent forty years teaching physics, and if there is one thing I learned, it is that people love to wrap simple mechanics in layers of unnecessary jargon to make…
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Drop Resistance Claims
Read more: Drop Resistance ClaimsLast Tuesday, I was hunched over my workbench, squinting through a jeweler’s loupe at the guts of a supposedly “ruggedized” digital watch that had promised the world. The casing was…
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Ip Ratings and What They Exclude
Read more: Ip Ratings and What They ExcludeI spent thirty-four years in a physics classroom, and if there is one thing I learned, it’s that people love to hide behind complicated numbers to sell you something you…
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Wireless Charging and Its Waste
Read more: Wireless Charging and Its WasteI spent forty years teaching teenagers that you can’t skip the fundamentals, and yet, I see people every day throwing money at “magical” charging pads that don’t even work with…









