An automatic toll gate system using Arduino revolutionises traditional toll collection by eliminating manual intervention.

The TCL D2 Plus Fingerprint Smart Lock packs a lot for the money, but its stiff thumb-turn and sloppy deadbolt leaves me to wonder about its durability.

YoLock gives your Android lock screen an iOS makeover, including lock screen widgets. You can add up to four widgets to your ...

An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...

Jean] wrote into the tips line (the system works!) to let all of us know about his hacked and hand-wired C64 keyboard, a ...

Angelica Leicht is a seasoned personal finance writer and editor with nearly two decades of experience but just one goal: to help readers make the best decisions for their wallets. Her expertise spans ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

The complement of set B, B’, contains all the elements that are not in set B. \(P’\) is the complement of set \(P\). The intersection of one set and the complement of another set identifies elements ...

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