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Black Holes and Impossible Planets

Black holes are incredibly fascinating. They represent the unknown, the dangerous, the terrifyingly majestic. They are the modern version of the void, the abyss, the bottomless pit. Most sci-fi gets black holes right, but poetic license ignores the facts at times, and takes over to accommodate the needs of the story. A black hole is…

In Space no-one can hear you scream

According to the World Health Organization, 360 million people worldwide have disabling hearing loss. For the remaining 95% of the population, sound is a cardinal part of our sensory experience. It allows us to communicate easily, and to better experience the natural world. So how terrifying is it for our ableist mind to have one…

Smashing Galaxies – The Documentary

This documentary explores the tumultuous lives of galaxies with a focus on galaxy collision: the key mechanism in galaxy evolution. Using publicly available images and bespoke animations, we look at how humans began exploring what lies beyond the Milky Way, how the Universe came to be, and the many protagonists which play a part in…

Snuffing Out Candles With Carbon Dioxide

A cool thing to do if you have leftover dry ice is to snuff out candles using just carbon dioxide. You put dry ice in a jar and let it sublimate. The carbon dioxide will remain in the jug, as the density of CO2 is around 1.98 kg/m3, making it denser than the average density…

Some Earths Like It Hot

Planetary systems form from the same cloud as its parent star. As the cloud contracts under the effect of gravity, the gas acquires more angular velocity. Spinning faster it flattens out into a disk where eventually planets end up forming. This simplistic approach has been shown to be correct by many observations (e.g. ALMA’s) but…

Future Moon Bases Are At Risk From Meteorites

A Moon base is many geeks dream, and it is believed to be a crucial first step towards the colonisation of the solar system. Everywhere outside our planet is an inhospitable environment, however a Moon base would still be close enough restock with food or fuel fairly quickly.  A new piece of research in Nature…