Technology has progressed rapidly and enables us to live a comfortable and easy life. Technology provides us better transport, health care, quality of living and helps us improve every aspect of our lives.

Most technology now a days are follow-ups of previous inventions. These are not simple follow ups but are improvements in every way. For example, the first portable phone was very heavy and you could only make calls with it. It was the most basic of devices, but today a phone does so much more than that. A phone today could take pictures, access the internet, work as a calculator, Bluetooth, Wi-Fi, NFC, and so on. They have become multi-functional devices and have become integral to our day to day lives.

Here is a list of inventions that changed the world as we know it today.

The Wheel
The wheel was invented in 3500 B.C. Before the wheel people found it difficult to travel long distance and to carry weight. The creation of the wheel spread around the world and it was a monumental invention.

Today the wheel is practically used on every vehicle. Over the years it has improved dramatically and enabled us to carry large weights and to travel long distances.

The nail
The nail may be a simple object to us but it was one of the greatest inventions. Nails are what hold everything together. It was believed to be invented around 2000 to 2500 years back. Before the nail people used to interlock everything which was a long and tiring process.

Till 1800 nails were made by blacksmiths. This was when the nail making machine was introduced for large scale production.
The printing press

The printing press was created by Johannes Gutenberg around 1440. Printing was available before but it was slow and required a lot of manual work. The printing press enabled fast and large scale printing. The famous Gutenberg Bible was the first large scale produced book. All books, newspaper, leaflets and all we read today are only possible due to the printing press.

3D printing is method to print three dimensional objects and have become popular. These printers are able to use variety of materials. They are commercially available which means you could even buy metal 3D printer if you want to.

3D printing is the next step in evolution and the potential are limitless. As there are 3D printer for metal, plastic and many other materials we could use it to create high quality items without the human error.

The internal combustion engine

The wheel gave the ability to move but the internal combustion engine is what actually moved us forward. This engine coverts fuel into mechanical work and it ushered the industrial age. Today the engine is used in variety of machinery even cars, ships and aircrafts.

Telephone
The telephone was created by Alexander Graham bell. The phone has come so far from what it was. Today the phone has become portable device which we can carry around. The telephone has revolutionized global communication.

Light Bulb
The light bulb was created by Thomas Edison. Before the light bulb people used lamps as a light source. The light bulb helps us see and be active at night.

There were other important inventions such as penicillin and the internet but the above are the inventions that we cannot live without and have become an important part of our day to day lives and will continue do so in the foreseeable future.