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...universe itself can have areas of different curvature. [Diagram showing LISA - laser interferometer space antenna - detecting gravitational waves in spacetime] Now for the mind-bending part … You might know that, in the absence of any forces, things like to travel in straight lines (thank you, Newton). What about when the space is curved? We can still talk about...

...University, which are considered a social network where people are able to see what living organisms/species are visible in their neighbourhood or anywhere else, and more importantly help them learn about them and even identify them. It is worth noting that knowing what a living thing/species is, is just like learning to recognise a new, say, TV personality. Once the name...

...University’s campus in Milton Keynes. [: A photograph of the Beagle 2 spacecraft with four engineers, within a cleanroom.]Assembly of the Beagle 2 Mars lander in the Aseptic Assembly Facility at the Open University in Milton Keynes. Beagle 2 landed on Mars in 2003 but did not communicate with Earth and was presumed lost until identified on images taken from orbit in...

...with The Open University: Volcanoes, earthquakes and tsunamis. This course extract is adapted from Block 3, Internal Processes, of the course Geology (S260) which ceased presentation in 2009. Good news: There are still lots of ways to study geology at the University It was originally made available more widely as part of the Rough Science: Colorado content on Open2.net...