book about twins (or brothers) and something atom-related

[Kris]

Raul, around what year did you first hear about this book? This will help narrow down the search.

NEET = a young person who is "Not in Education, Employment, or Training"?

About how old are the brothers?

What is the story's time period and location - country, region, big city/small town?

Tips for posting a book request - https://www.goodreads.com/topic/show/...

[Lobstergirl, au gratin]

Fiction or nonfiction?

[Lobstergirl, au gratin]

OP's account deleted. Moving to NWNK.