Western governments have spoken about Iran’s military posture with a tone that oscillates between dismissal and alarmism. In ...

In this video, we explore the ancient craft of primitive pottery, demonstrating techniques to create functional pottery using natural materials. This is part of a series on primitive technology skills ...

Abstract: This paper focused on the effect of thermosyphon limits on the design of a taper thermosyphon drill for dry drilling operation. Although, other methods such as minimum quantity lubrication ...