If you were sent back 10,000 years into the past, could you not only survive, but give ancient Earth a technological leap forward? Based on real techniques and technology, (re)invent everything from an apple pie to electricity.

If you were sent back 10,000 years into the past, could you not only survive, but give ancient Earth a technological leap forward? Based on real techniques and technology, (re)invent everything from an apple pie to electricity.