IPhone

src: cdn.vox-cdn.com iPhone ( EYE -fohn ) is a line of smartphones designed and marketed by Apple Inc. They run Apple's iOS mobile ope...

Window

src: upload.wikimedia.org A window is an opening in a wall, door, roof or vehicle that allows the passage of light, sound, and air. Modern ...

Socially responsible investing

src: www.freeweekly.com Socially responsible investing ( SRI ), or social investment , also known as sustainable , socially conscious , ...

Rare-earth magnet

src: upload.wikimedia.org Rare-earth magnets are strong permanent magnets made from alloys of rare-earth elements (elements in the lanthani...