Ideas Ranking

Ideas, Tips & Lessons worth spreading

Total knowledge of sim cards

You most likely use it every day, yet if someone asked you how it works, you’d have a hard time explaining it. I’m not talking about Physics here, it’s all about your SIM card, that little chip in your phone….

How does GPS works and calculations step by step?

How does GPS works and calculations step by step without Internet? Once upon a time, your ancestors used to look at the night sky to determine their location. Then we used a Thomas Guide, remember those? Today, it only takes…