We all know what the Sun looks like, right?
Well not quite; the Sun is so bright that our eyes can’t cope with it and this washes out any detail. But there are different ways to look at the Sun.
Ultraviolet – 17.1nm
Ultraviolet – 30.4nm
Magnetism
A magnetogram maps the magnetic field – white areas have a strong magnetic field, black areas have a weak magnetic field.
Can liquids un-mix?
Usually when two liquids mix they tend to flow turbulently. In some situations however, they can undergo laminar flow, as shown in the video below.
It’s much easier to understand once you’ve watched the video.
The ozone layer protects the Earth from about 98% of the Sun’s harmful ultraviolet light.
Unfortunately, human use of chlorofluorocarbons (CFCs) has damaged the ozone layer and now, from September to December every year a great big “hole” (actually an area of low concentration) appears over the Antarctic.
You can track the damage to the ozone layer via NASA’s Ozone Hole Watch.
This photograph was the winner in Nikon’s Small World microscopy competition. The embryo itself is shown in red, and the “yolk-sac” is shown in green.
There are more amazing images in a WIRED Science gallery.
Where will the world’s third largest rollercoaster be built next year?
If you thought “in a theme park” then you’d be wrong.
The Ares Emergency Egress System (EES) is designed to help astronauts evacuate the launch pad very quickly in case of emergency.
