India News: The Border Security Force (BSF) in Punjab, India, has intercepted two China-made Pakistani drones that were being used for cross-border smuggling of n
On the night of November 14-15, the Border Security Force (BSF) intercepted a China-made Pakistani quadcopter drone in Tarn Taran, violating Indian airspace. The Central Armed Police Force detected the suspected drone s movement in the Village Mianwali District, prompting BSF troops to intercept it.
A hand-held laser pointer produces no noticeable recoil forces when it is "fired" - even though it emits a directed stream of light particles. The reason for this is its very large mass compared to the very small recoil impulses that the light particles cause when leaving the laser pointer.
For the first time, University of Würzburg physicists have been successful in propelling micrometer-sized drones using just light and exerting clear-cut control. These microdrones are considerably smaller in comparison to red blood cells.