Possible massive ‘kilonova’ explosion creates an epic afterglow

Astronomers may have spotted the afterglow from an epic cosmic event known as a “kilonova.” Kilonovas occur after the collision of two hyper-dense neutron stars, which are the remnants of stars that have died in supernova explosions. Astronomers think they have spotted an afterglow in X-rays from the event, which is dubbed GW170817. The discovery … Read more

Metamaterials: Kirigami pattern creates light yet strong paper structures

A chequerboard pattern based on kirigami, the Japanese art of paper cutting, enables thin and light structures to support much heavier loads Technology 1 March 2022 By Alex Wilkins A metamaterial inspired by kirigami, the Japanese art of paper cutting, can support nearly 3000 times its own weight. Metamaterials have structures not found in nature, … Read more

How a Magnetic ‘Tug-of-War’ With Io’s Volcanic Eruptions Creates Jupiter’s Auroras

Jupiter’s auroras – the lights that dance around its poles – are the most distinct in our solar system and over a thousand times brighter than Earth’s aurora. Now, a new study confirms that these otherworldly polar lights come from a unique source: space lava.   Jupiter‘s moon Io is the most volcanically active world in the solar … Read more

From Great Dane to Tiny Terrier, A Mutation Creates Enormous Variation in Dog Sizes

From chihuahuas to great Danes, dogs differ more in size than any other mammal species on the planet. A mutation behind such variation has been traced to an unexpected source: ancient wolves. The mutation lies near a gene called IGF1, which researchers flagged 15 years ago as having a major role in the size variation of … Read more

Laser scanner creates 3D colour images of surfaces or objects

Lidar uses lasers to create 3D images, but these can be hard to interpret because they are black and white. A new scanner adds cameras to make colour images that could be useful for infrastructure inspection or robot vision Technology 14 January 2022 By David Hambling A new portable scanner combines laser scanning technology with … Read more