Mainstream news has picked up on a report that the molten core of the Earth has stopped spinning, and, in fact, might reverse direction. This has led to wild speculation and dire predictions. Anthony and Jeff dig a bit deeper themselves, and get to the core of the matter - the poor job of reporting the actual science of this discovery. [more]
Burning tons of jet fuel to propel objects out of Earth's atmosphere and into orbit is an expensive, environmentally damage prospect. One company in California is deleoping an alternative. SpinLaunch just completed their 10th test launch, literally throwing satellites thousands of kilometers up into the air. Jeff and Anthony dig into the engineering challenges - and pure audacity - of such an endeavor... and they come away very impressed. [more]
