What if the Earth were Hollow? Nothing to do with the “Hollow Earth” conspiracy but an interesting question, what if the earth were hollow? Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts What Happens When A Bird Flies Into A Plane Engine Watch the Hyperloop Complete Its First Successful Test Ride How Close Are We to Talking With Animals? What If A Digital Afterlife Was Created? Why Is The Sky Blue? – Do You Know? How to fit ALL of Wikipedia in One QR code