A newly patented design for facilitating rocket launches envisages the construction of a 20 kilometre tall "space tower" extending all the way into the Earth's stratosphere.

Engineers in Canada have produced a new design for a space elevator that could provide a direct physical connection between the Earth’s terrestrial occupant and outer space. Ontario-based space and defence company Thoth Technology has obtained a patent for a new space elevator that if built would extend for distance of 20 kilometres from the…