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Ten amazing inventions from ancient times

Ten amazing inventions from ancient times

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Dating back thousands of years are numerous examples of ancient technology that leave us awe-struck at the knowledge and wisdom held by people of our past. They were the result of incredible advances in engineering and innovation as new, powerful civilizations emerged and came to dominate the ancient world.  These advances stimulated societies to adopt new ways of living and governance, as well as new ways of understanding their world. However, many ancient inventions were forgotten, lost to the pages of history, only to be re-invented millennia later. Here we feature ten of the best examples of ancient technology and inventions that demonstrate the ingenuity of our ancient ancestors.

1. The ancient invention of the steam engine by the Hero of Alexandria

The ancient invention of the steam engine by the Hero of Alexandria

Heron Alexandrinus, otherwise known as the Hero of Alexandria, was a 1 st century Greek mathematician and engineer who is known as the first inventor of the steam engine.  His steam powered device was called the aeolipile, named after Aiolos, God of the winds. The aeolipile consisted of a sphere positioned in such a way that it could rotate around its axis. Nozzles opposite each other would expel steam and both of the nozzles would generate a combined thrust resulting in torque, causing the sphere to spin around its axis. The rotation force sped up the sphere up to the point where the resistance from traction and air brought it to a stable rotation speed. The steam was created by boiling water under the sphere – the boiler was connected to the rotating sphere through a pair of pipes that at the same time served as pivots for the sphere. The replica of Heron’s machine could rotate at 1,500 rounds per minute with a very low pressure of 1.8 pounds per square inch.  The remarkable device was forgotten and never used properly until 1577, when the steam engine was ‘re-invented’ by the philosopher, astronomer and engineer, Taqu al-Din.

2. Is the Assyrian Nimrud lens the oldest telescope in the world?

Assyrian Nimrud lens the oldest telescope

The Nimrud lens is a 3,000-year-old piece of rock crystal, which was unearthed by Sir John Layard in 1850 at the Assyrian palace of Nimrud, in modern-day Iraq.  The Nimrud lens (also called the Layard lens) is made from natural rock crystal and is a slightly oval in shape.  It was roughly ground, perhaps on a lapidary wheel. It has a focal point about 11 centimetres from the flat side, and a focal length of about 12 cm.  This would make it equivalent to a 3× magnifying glass (combined with another lens, it could achieve much greater magnification). The surface of the lens has twelve cavities that were opened during grinding, which would have contained naptha or some other fluid trapped in the raw crystal.  Since its discovery over a century ago, scientists and historians have debated its use, with some suggesting it was used as a magnifying glass, and others maintaining it was a burning-glass used to start fires by concentrating sunlight. However, prominent Italian professor Giovanni Pettinato proposed the lens was used by the ancient Assyrians as part of a telescope, which would explain how the Assyrians knew so much about astronomy. According to conventional perspectives, the telescope was invented by Dutch spectacle maker, Hans Lippershey in 1608 AD, and Galileo was the first to point it to the sky and use it to study the cosmos. But even Galileo himself noted that the 'ancients' were aware of telescopes long before him. While lenses were around before the Nimrud lens, Pettinato believes this was one of the first to be used in a telescope. 

3. The Oldest Calendar in Scotland

The Oldest Calendar in Scotland

Research carried out last year on an ancient site excavated by the National Trust for Scotland in 2004 revealed that it contained a sophisticated calendar system that is approximately 10,000 years old, making it the oldest calendar ever discovered in the world. The site – at Warren Field, Crathes, Aberdeenshire – contains a 50 metre long row of twelve pits which were created by Stone Age Britons and which were in use from around 8000 BC (the early Mesolithic period) to around 4,000 BC (the early Neolithic). The pits represent the months of the year as well as the lunar phases of the moon. They were formed in a complex arc design in which each lunar month was divided into three roughly ten day weeks – representing the waxing moon, the full moon and the waning moon. It also allowed the observation of the mid-winter sunrise so that the lunar calendar could be recalibrated each year to bring it back in line with the solar year. The entire arc represents a whole year and may also reflect the movements of the moon across the sky.

Comments

The mystery will only be solved when they (who ever 'they' are) look in the right place.
Alice in Wonderland is a confusing story, until one has the key.

they 4got to mention the ancient book "Melerigamy" contains ancient technic of achieving our goals! may be everybody 4got it coz its banned now and only used by high profile people and celebrities.

The Iron Pillar of Delhi, standing 1600 years without rusting.

http://www.world-mysteries.com/sar_ironpillar.htm

Wow what a great resource

The nano size gold was not ground by the Roman's. This size gold is very very common in Nature. In fact it was used in the Process gold plating many base metal object. What you do is coat the metal with Mercury: then flush the amalgamated metal with a gold laden slurry. The Mercury captures those "nano" size gold particles, then the gold floats to the top of the mercury, where it can be collected, and the mercury driven off. The gold is then heated and mixed with sulfuric acid turning the gold Red. This is then mixed with the melted green glass. Not a high tech process.

The baghdad battery is easy to make and it can hold up to 3.5 volts.. It is the same as putting a penny and a nail into a potatoe or fruit and connecting it with wires up to a light bulb.

Troy Mobley

There is a lot that's known about ancient civilisations, and a lot unknown.
Should have the best of the present, with the best of the past, including ancient past.

Justbod's picture

Fascinating article that i’m sure just hints at what ancient technologies there may once have been.

Thank you – I found the article really interesting and inspiring!

 

Sculptures, carvings & artwork inspired by a love of history & nature: www.justbod.co.uk

 

 

 

Ancient irrigation to feed 5 billion.   http://vimeo.com/64351951

The function of pyramids.   http://vimeo.com/133518040

 

   

Hero of Alexandria’s steam engine was quite nice toy. But not an usable steam engine you can get power out to most purposes. Efficiency would be atrocious even when compared to single expansion piston steam engines. Steam is thrown out while it still has a lot of heat left.  And torque would be quite poor. First real usable steam engine was Newcomen’s engine, and even that was kind of disappointment before James Watt made numerous improvements to it.

It is very sad that some of the most exquisite ancient knowledge and inventions are forgotten or lost.
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