"And not only that," he answers, affecting Crichton's patented concerned tone, "but it's stealing away our potential. You had goals, a career on the rise. You deserve to get back to that. I need to get back to my crew, and back to Earth. I'm tired of waiting."

He glances through what she's showing him. Thanks to Crichton's knowledge, he understands it all just fine.

"The theory is sound. But, in the application, I've run into problems before. These wormholes, if they aren't perfectly stable, emit deadly doses of radiation. We need shielding from that or we won't survive the trip. We can't solve that with theory alone."