Who Invented the Light Bulb?: Edison vs. Swan

Who Invented the Light Bulb?: Edison vs. Swan — page 3
INTRODUCTION A BRIGHT IDEA Flick Flick With the flip of a switch light fills the room as the light bulb in a lamp begins to glow a soft yellow hue A scientist enters and sits at a desk Colorful images illuminate the screens on her tablet and smartphone The scientist gets to work Her goal is to create bulbs that will help people sleep better at night and stay alert during the day The new technology not only illuminates a room but also affects how people respond to the light Modern scientists experiment with the colors of lighting to affect people's moods among other research