What sparked my curiosity in physics at 18 years old?

[Jabberwockk]

Hi, My name's Samy, I'm eighteen years old, from Algeria, I find physics really interesting so I joined this forum to satisfy my curiosity when I need to.
Hope We'll get along well. =)

 

[Greg Bernhardt]

Welcome to PF Samy!

 

[Jabberwockk]

Thanks !