SSP

Laser gun just become a reality!

We all have seen a laser gun; I don’t mean in real life and I don’t mean laser pointer nor industrial laser. We all have seen these types of weapon in sci-fi movies. Some called it phaser another laser. No matter what it is called, this is a weapon which shoots a bean as a content stream or a pulse. […]

SSP

EmDrive doesn’t make sense!

First, let’s start with a little background. The original idea behind the design is a radio frequency (RF) resonant cavity thruster. This engine is also known as an EmDrive. The design is a concept for a thruster that is was introduced in 2001 by Roger Shawyer. He claimed that EmDrive can produce thrust by reflecting microwaves internally in the device. This is against that law of conservation of momentum which says if an object is stationary, it will remain stationary until a force is applied to it. […]