Interesting Engineering on MSN5mon
Engineers create squid-inspired magnetic screen for encrypted displays
Researchers have developed a flexible screen inspired by squid that can store and display encrypted images using magnetic ...
BBC3y
Magnets and magnetic materials
Magnetic. The nut is made from steel ... This causes the air to light up in a display called the Aurorae. In the northern hemisphere the display is called the northern lights or Aurora borealis.