Fisika adalah cabang sains yang menjelaskan cara kerja seluruh bagian dunia, dari yang terbesar sampai terkecil, dari awal waktu sampai masa depan yang jauh. Dunia Menurut Fisika merupakan pengantar singkat yang menjabarkan fisika klasik dan modern dengan sederhana bagi pembaca awam maupun ahli, mulai dari konsep-konsep dasar seperti skala, ruang, waktu, energi, dan zat, hingga tiga pilar fisika modern: mekanika kuantum, relativitas, dan termodinamika.
Dr. Jameel Sadik "Jim" Al-Khalili is an Iraqi-British theoretical physicist, author and broadcaster. He is professor of theoretical physics and chair in the public engagement in science at the University of Surrey. He is a regular broadcaster and presenter of science programmes on BBC radio and television, and a frequent commentator about science in other British media.
In 2014, Al-Khalili was named as a RISE (Recognising Inspirational Scientists and Engineers) leader by the UK's Engineering and Physical Sciences Research Council (EPSRC). He was President of Humanists UK between January 2013 and January 2016.