Grandpa, how big is the universe? How far are the stars? How can we tell the sun's age? Are we stardust? What is thunder? Is the universe expanding? Do black ho

Passing our faith from generation to generation is difficult. It has been this way from the time that Cain killed his brother, through Israel's call for a king

You are told that mathematics validates particle physics. This is untrue. Literally no result in quantum physics relies on its brilliant math. Literally every r

Advice For My Grandchildren is a collection of anecdotes and ideas inspired by the author's grandparents, with whom he spent many boyhood hours. As generations