Abstract: Stress is the primary factor influencing machining deformation. The accurate measurement of internal stress can improve the quality of machining deformation prediction and control. A ...

Abstract: During the flight control system testing (FCST), it is crucial to accurately measure the deflection angles of flight control surfaces to determine whether they respond precisely to commands.

Scientists have issued a chilling update on the 'city-killer' asteroid heading towards the moon. Asteroid 2024 YR4, a 220-foot (67m) 'city-killer', currently has a four per cent chance of hitting the ...