Don’t buy stock yet in that “impossible” space drive

The uncertainty of science and engineering: A physicist takes a close and skeptical look at the “impossible” space drive that NASA engineers discovered seemed to work. Key quote:

“All in all,” Lee concluded, “it will take a lot more information before we can judge whether the thrust is really a thrust or not.”

Read the whole article. They point out the areas of doubt and weakness, as well as the possibilities.