News tagged with time

Image: Solar surface from hot to hottest

This sequence of images shows the Sun from its surface to its upper atmosphere all taken at about the same time on Oct. 27, 2017. The first shows the surface of the Sun in filtered white light; the other seven images were ...

dateNov 02, 2017 in Space Exploration
shares3 comments 0

The world's shortest laser pulse

ETH researchers succeeded in shortening the pulse duration of an X‑ray laser to only 43 attoseconds. With a time resolution in the range of a few quintillionths of a second, they are now able for the first time to observe ...

dateOct 27, 2017 in Optics & Photonics
shares133 comments 0

Lightning produces afterglow of gamma radiation

Lightning can produce X-rays and gamma radiation. In the past, researchers thought that this phenomenon only lasted for a very short time, about one ten-thousandth of a second. However, the ionizing radiation of lightning ...

dateOct 24, 2017 in Earth Sciences
shares61 comments 0