The day has finally arrived — Samsung has unveiled the Galaxy S9 and S9+. Apart from minor upgrades, the two might not appear to be much different from last year’s S8 and S8+, but that’s not necessarily a bad thing. One feature that hasn’t changed is the Galaxy’s IP68 water-resistance rating. That’s a great score, but it begs the question — what does that number really mean?

First of all, if you don’t know what the IEC 60529 is, don’t worry — it’s a standard put out by the National Electrical Manufacturers Association, which is basically a test with set rules and regulations. A device is then… more


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