Archaelogists have discovered that if all the dry stone walls were rebuilt as they were 10,000 years ago, due to their high silicone content, they would have formed a processing circuit as powerful as several hundred modern-day Pentium 5 chips. However, the circuit would have required as much energy as 10,000 Hiroshima bombs to power up. Teaming up with IT experts, they have been able to deduce that the circuit was designed to calculate how it was possible to generate as much power as 10,000 Hiroshima bombs.