You have likely read or heard about the recent detection of gravitational waves from the Large Interferometer Gravitational Wave Observatory (LIGO). “Why is this such a big deal?” you might ask. “Aren’t astronomers making discoveries every day now?” Well, it is a big deal, with cosmic potential. Here’s why.
When it comes to the promise of interstellar space travel, Ion drives have been the baby of science fiction writers.
Astronauts aboard the International Space Station have taken a big bite toward having a more sustainable spacecraft this week when they ate the first crop grown in space. In his comments about tasting the red romaine lettuce, astronaut Scott Kelly said that it, “tastes good. Kinda like argula,” referring to common leafy vegetable that is also known as rocket.