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Brownell told them later, in great excitement: "I swear to you, it defies all physical laws as we know them! It's merely a shiny chunk of rock, a few yards in diameter -- but do you know, I believe it actually feeds upon gravity! I have always believed that gravity, magnetism, and other such universal forces are all a part of the electrical spectrum. Some peculiarity in the atomic structure of this Stone draws the straight-line force of gravity to it, and that force is then oscillated, transmitted into light! The process is unending!"
"That's all very well," Mark told him, "but I believe the greatest miracle is right here in the laboratories. These people have had to utilize the barest elements of this world, but they've done wonders. They have plastiglass, and farm implements, and electrical power -- even crude atomic furnaces."