outatime

Why outatime

Why did I call it ?   You may wonder, why did I call my blog that name, Outatime.Tech ? There are some reasons for this. Let me explain.   The movie The best movie I’ve ever seen and the best movie for time travel, the trilogy Back to The Future. I’ve learned many things […]

هل تستطيع الطائرات الحركة للوراء Can aircrafts go backwards?

الأحد 20 من صفر 1438 هـ     20 نوفمبر 2016 م بسم الله والحمد لله والصلاة و السلام على رسول الله سيدنا محمد صلى الله عليه وسلم كل_يوم_فكرة_عربية#   The Variable Pitch Propeller is a technology that enables the engine to change its thrust magnitude and direction without changing the speed or direction of its rotation. […]