7 Things That Really Haven't Changed In 100 years

4. Books: Many people might argue on the fact that the books have changed from past hundred years. But the truth is that now there are electronic devices, like eReaders and tablets, are added in the same category. These new gadgets can run out of battery power, make them effectively useless but in turn a book will never run out of charge. Also, you can lend a book from person to person but not these gadgets. So, when compared to these potential electronic alternatives books really haven't changed in any significant way. With the Gutenberg press, arriving in 1440, world's approach towards reading was never the same.

5. Light bulb: Nowadays, a majority of people use different kinds of light bulbs in their homes or workplaces. LED, halogen, and fluorescent lights all have their uses. Dating 1880s, this lighting source helped the growth of an entire industry. Today, people waste electricity but they don’t realize, that a life without such a lighting source might have been difficult. Light bulbs are one of the finest inventions of Thomas Edison. The basic structure of this light bulb remains virtually same as power courses through the bulb; a metal filament conducts the electricity and emits light waves. This is considered as a simple creation but it is still effective.