the Sorbitol had much less thrust than a typical sugar rocket, making it the perfect candidate for a PVC engine. For those of you wondering about the strength of a PVC engine casing, [Richard ...

the Sorbitol had much less thrust than a typical sugar rocket, making it the perfect candidate for a PVC engine. For those of you wondering about the strength of a PVC engine casing, [Richard ...

Near-term successes could lead to hypersonic travel around the world, but in the long term, this could be a super-efficient way to traverse the solar system.

A couple of weeks ago, ground teams at NASA's Kennedy Space Center in Florida removed one of the four main engines from the Space Launch System rocket slated to send four astronauts on a voyage ...