Could we drill a hole to the Earth's core?

At the planetary scale, the Earth is essentially a ball of viscous liquid with a thin solid crust and a relatively small solid core. Everything in between is molten rock. read more

Once on site the team broke a drill bit, but before they could fish the pieces out of their hole, they had to pack up and take a sick crewmember north toward Mauritius to meet a shore-based helicopter for a medical evacuation. read more

The Soviets tried it and it was a monumental failure. Best bet would be an actual drill. In fact, the Kola Superdeep Borehole is the deepest artificial point on the earth, about 12 km deep. The crust of the earth in that location is around 35 km thick. So not quite halfway. read more