Most Massive Galaxy Cluster Ever Discovered Seven Billion Light-Years Away
A monstrously huge cluster of galaxies lurks 7 billion light-years away. The cluster weighs in around 800 trillion suns and holds hundreds of galaxies, making it the most massive galaxy cluster ever found at such a great distance. Despite its tremendous bulk, the cluster was hidden until astronomers looked for the distortions it created in…
Forget Tsunamis: Asteroids Will Really Kill Us With UV Rays
If a medium-sized asteroid lands in the ocean, tsunamis won’t be the only worry. Water vapor and sea salt thrown up by the impact could damage the ozone layer, leading to record levels of ultraviolet radiation that could threaten humanity. “This suggests new issues you could have with ocean impacts that people hadn’t thought of…
Body Organs Can Send Status Updates To Your Cellphone
Currently, if a cardiac patient’s heart rate gets too high the implanted defibrillator in their chest gives them a friendly remedial shock to avoid a heart attack. But that could soon change—by giving hearts their very own IP addresses. Dutch research organisation IMEC, based in Eindhoven, this week demonstrated a new type of wireless body…
