Thomas Edison
He used to write many of his notes in mirror writing.
What is it ?
from right to left
Her notes are stored in lead-lined boxes, and no one who wants to study them. Why?
her papers absorbed radiation
Even after inventing the first successful powered air plane, they kept their invention secret for several years. Why?
They were worried that if they revealed it too soon, other people might copy their design before they could secure patents.
Were was Jane Goodallborn?
London, England