Einstein's theory of general relativity views time similarly to width, height, and length. As such, both time and space can be curved by gravity. This effectively means that time is slower the closer ...

What does it mean to be to space-time? The seemingly simple question gets to the essence of twentieth-century physics and has driven a hundred-year debate between philosophy and science. In Einstein’s ...

One of the most awkward parts of writing a book is that, eventually, authors have to ask people for “blurbs” – the endorsements that you see on the cover of a book, encouraging you to buy it. I am now ...

ISSAP received funding from the Australian Research Council. Justin Walsh's co-PI on ISSAP is Dr. Alice Gorman (Flinders University). Walsh co-owns Brick Moon, a space habitat consultancy. The ...

The first time you experience weightlessness in space, Tom Marshburn told me, all the noise and pressure of launch suddenly disappear. One moment, the roar of engines shakes every bone in your body; ...

That's the ethos behind Vaonis's Hestia. It's not a smart telescope, or even a normal telescope. Think of it as a lens to ...