The Space Force's formal acceptance of the ground system from RTX last year marked a turning point for OCX after years of blunders. The handover allowed military teams to validate the new control software and upgraded ground facilities before declaring the system ready for operational service.
'In this paper a novel optical illusion is described in which purple structures (dots) are perceived as purple at the point of fixation, while the surrounding structures (dots) of the same purple colour are perceived toward a blue hue.'
Modern scientific societies are increasingly vulnerable due to their dependence on membership fees and journal subscriptions, which are being challenged by the rise of virtual networking and open-access publishing.
Researchers have resurrected 'dead' bacterial cells by replacing their defunct DNA with the working genome of another species. This technique could open the door to re-engineered microbial life imbued with useful properties, such as the ability to make drugs or biofuels.