| Revista: | Tepexi boletín científico de la escuela superior tepeji del río |
| Base de datos: | |
| Número de sistema: | 000585772 |
| ISSN: | 2007-7629 |
| Autores: | Molina Ruiz, Héctor Daniel |
| Año: | 2014 |
| Volumen: | 1 |
| Número: | 1 |
| País: | México |
| Idioma: | Español |
| Resumen en español | Innovation is the only way to create wealth over the medium term. One of the most important innovations of men"s history is the electrical light bulb that generates new social changes. Before electrical light bulbs, houses and streets were lighted candles elements, but they had some disadvantages. That radical innovation made possible to develop man activities. |
| Texto completo: | Texto completo (Ver HTML) |
