1. 1870-1879 A DECADE THAT CHANGED THE WORLD By Adam Berry

2. INVENTIONS  ALEXANDER GRAHAM BELL INVENTED THE TELEPHONE  THOMAS EDISON INVENTED THE PHONOGRAPH THOMAS EDISON INVENTED THE ELECTRIC LIGHT BULB

3. THOMAS EDISON’S BRIGHT IDEA Electric lights will change the world if… …they burn for a long period of time …they are affordable …they do not stink like arc lights …they are safer than candles or gaslight

4. Filament Experiments Spider Webs Human Hair Coconut Fiber Tissue Paper Bamboo Fishing Line Sewing Thread PlatinumWood Fibers Plants

5. INCANDESCENT LIGHT BULB IN A PARTIAL VACUUM, AN ELECTRIC CURRENT IS SENT THROUGH TWO WIRES CONNECTED BY A CARBONIZED COTTON THREAD FILAMENT… …AS THE FILAMENT HEATS UP IT GLOWS.

6. OCTOBER 22,1879 THE FIRST LIGHT BULB GLOWED FOR 13 ½ HOURS THE NEXT ONE GLOWED FOR OVER 100 HOURS

7. PHOTO TAKEN OF THE UNITED STATES OF AMERICA FROM OUTERSPACE IN 1879 PHOTO TAKEN OF THE UNITED STATES OF AMERICA FROM OUTERSPACE IN 1879

8. PHOTO TAKEN OF THE UNITED STATES OF AMERICA FROM THE INTERNATIONAL SPACE STATION IN 2010

9. THANKS, PAUL

10. WORK CITED www.lookingglassreview.com www.lookingglassreview.com www.lookingglassreview.com www.cadenaser.com www.cadenaser.com www.cadenaser.com charismaallover.wordpress.com charismaallover.wordpress.com explorepahistory.com explorepahistory.com www.nasa.gov www.nasa.gov www.nasa.gov clutch.mtv.com clutch.mtv.com