Imagine a long tether linking Earth to space that could ... in three to four months or even as quickly as 40 days. The concept of space elevators isn't new, but engineering such a structure ...

While it might seem a permanent fixture in the sky, the orbiting space laboratory ... team focuses on such a concept. It uses a new idea called a Bare Photovoltaic Tether (BPT), which is based ...

A European consortium is developing miniaturized in space propulsion devices ... is around 1.3kW/m2, the BPT concept has “high potential” when combining bare tether and photovoltaic ...