Last September, scientists around the world were puzzled by an unusual rumbling traveling through the Earth. It was a strong signal, but it wasn't an earthquake. No one knew what it was. Now, a year later, scientists have solved the mystery.
Posts tagged as “mysteries”
Long ago, letters were folded in complicated ways to prevent others from reading them. Now, a group of scientists at MIT have managed to read one of these letters without even opening it.
A group of second-year college students have discovered hidden writing on a page from a book from the 1500s. The students found the hidden writing using a special camera system they built.