The SI unit for radioactivity, the becquerel (Bq), is named after him. Roentgen discovered X-rays on November 8, 1895. The press reported this on January 5, 1896, shortly before Becquerel did his famous experiment. Thus radioactivity was discovered the following year but within a year of the discovery of X-rays.
Book Details. Book Description. A penetration test, also known as pentest, is a method of assessing computer and network security by replicating an attack on a computer system or network from the outside world and internal threats. With the increase of advanced hackers and threats to our virtual world, pentesting is an absolute necessity.
What is virtual reality and what is augmented reality? They have a lot of shared DNA, but in general they are two different things. Virtual reality is a fully immersive headset. It is something that you put on your head and it takes away your natural vision. You cannot see the world around you; virtual reality is all about taking you to places that you cannot get to on your own. Augmented reality is partially immersive.