NASA solar sail technology passes crucial deployment test

In his youth, NASA technologist Les Johnson was riveted by the 1974 novel "The Mote in God's Eye," by Jerry Pournelle and Larry Niven, in which an alien spacecraft propelled by solar sails visits humanity. Today, Johnson ...

Cost analysis of using cover crops in citrus production

The citrus industry in Florida, a historic hub for citrus (Citrus sp.) production, has been grappling with the devastating effects of Huanglongbing (HLB), also known as citrus greening disease (Candidatus Liberibacter asiaticus). ...

Praise for Australian 'social supermarket' model

A new model of "social supermarket" providing affordable food and social supports for people experiencing financial stress in South Australia should be expanded, experts say.

What drives us to be anonymous online?

University of Queensland researchers have found there are two key reasons people choose to be anonymous online—self-expression or toxic behavior.

page 4 from 40