The Universe in Your Hand: A Journey Through Space, Time, and Beyond - Christophe Galfard - 5 Stars

[Jason]

I love reading about physics and this book is one of the best Ive read. Having different people explain the same things in different ways really helps to grasp these complicsted and difficult concepts.

Galfard takes you on thought experiment after thought experiment to help you understand thebuniverse, both the large and the small. You imagine being in black hole and you imagine riding electomagnetic waves. This is how phsics has mainly progressed since Einstein and Galfard lets you pretend you are the physicist. He even leads you to an answer and then commends your for figuring it out, even discovering it. The book felt like being part of The Magic School Bus.

This book also covers some more recent discoveries such as the detection of gravitational waves when two black holes collided. Lastly, he takes you where physics isnheaded. He takes you on though experiments to what things are likenif some of the leading theories are true.

A great book. The author obtained his PHD under Dtephen Hawking and worked with Hawking on black holes and the origin of the universe. But imaginary time still confises me. I dont grasp that concept. Maybe the next explination will work.