As Greece continues to lose its manufacturing industry, becoming all the more dependent on the service sector, an urgent restart and shift to a complex economy is crucial for the country’s economic viability.

A complex economy is interconnected with other industries that are not necessarily geographically concentrated or thematically related but which share common infrastructure, resources, and solid interdependencies in production and supply chains. The Internet of Things (IoT), automation, and data-sharing are vital for the development and success of a complex economy.

A recent Bank of Greece report states that tourism in 2025 accounted for 13 percent of the country’s GDP. The government presents this as a sign of success, but, behind the numbers, there is a sad ascertainment: Greece is no longer producing goods, and almost everything other than agricultural products is imported. Substantial revenue from tourism is definitely not a bad thing. However, the average Greek does not benefit from tourism revenue. As the cost of living rises, bragging about “soaring tourism revenues” is not filling the citizen’s supermarket cart.

According to Statista and the World Bank, between 2013 and 2023, 68.6 percent of Greece’s GDP came from the service sector, while 15.2 percent of revenue stemmed from industry and 3.3 percent from agriculture. Kostas Axarloglou, the dean and a professor at Alba Graduate Business School, says the Greek industry needs a restart and transition to a complex economy. In other words, Greece needs to enter “Industry 4.0,” or the Fourth Industrial Revolution, in which interconnectedness, automation, and real-time data are key.

Low labor productivity and wages

According to Axarloglou, only four percent of the Greek population is now employed in sectors related to Greece’s complex economy, which amounts to approximately only 11 percent of the value added to the country’s GDP in general. Additionally, in the Eastern Mediterranean nation, there is fragmentation into a large number of small businesses, exhibiting both low labor productivity and wages.

As per The Atlas of Economic Complexity, the industry sector in the Greek economy presents a relatively low degree of complexity in relation to GDP, an element indicative of low potential for economic growth in the future. Nonetheless, from 2018 onwards, The Atlas of Economic Complexity records positive growth in exports with the main contributors, among others, being the pharmaceutical and IT sectors.

A gradual structural transformation of the economy is also being observed, with the transfer of productive resources and activity towards manufacturing sectors with higher added value and productivity, such as electronics and machinery manufacturing. Finally, significant opportunities to strengthen and complement the country’s existing productive fabric have been recorded.

Axarloglou argues that there are both an overall low degree of complexity as well as structural problems in Greek manufacturing. The existence of companies with high levels of specialized know-how, however, provides a sufficient launching point in supporting the restarting of industry and the general production base of the country, which could lead to sustainable development in the Greek economy.

Importance of a complex economy in Greece

Axarloglou referenced the US industry and its contribution to the economy. While the manufacturing industry in the US constitutes 11 percent of GDP, it contributes 35 percent in productivity increase and 60 percent in exports. Furthermore, the complex economy in the United States is the engine of innovation, with related industry sectors producing 55 percent of patents and contributing 70 percent of total expenditure on research and development.

A recent study (Yong, 2020) analyzes the contribution of complexity in a set of economies with varying characteristics. The importance of dynamic industries in economic growth as well as the development of social capabilities and a significant contribution to the achievement of the UN Sustainable Development Goals (SDGs) in each country’s economy were scrutinized.

Overall, the study found there is a direct impact of economic complexity on the development of specific UN Sustainable Development Goals (SDGs), including on poverty reduction, education, job creation, technological economic upgrading, and overall economic development. Moreover, policy interventions for manufacturing expansion are especially vital as they contribute to the development of skills in the country, triggering technological innovation and creating new markets and institutions.

Consequently, the development of a complex economy in Greece could greatly contribute to GDP and the implementation of UN SDGs. It must be mentioned that, in previous decades, manufacturing significantly lagged behind in general, but this lag has eased in recent years.

The two pillars for a complex economy

The development of a sustainable complex economy should be based on two pillars, Axarloglou argues: firstly, extroversion and internationalization and, secondly, innovation and specialization. The Greek industry would profit from participation in International Production Networks (IPNs). This is more feasible now, as these networks evolve from the impact of circular economy, digital transformation, sustainability, and new technologies such as robotics. The mechanisms and structures that would aid in the development of a complex economy are related to the National Recovery and Resilience Plan “Greece 2.0.”

According to Axarloglou, Greece should also orient its manufacturing production towards the international market and within the framework of the Global Value Chain Networks (GVCN), developing even at regional levels. This would include energy networks in the southeastern Mediterranean and innovation pockets in Thessaloniki and Northern Greece. In addition, market megatrends, namely digital technologies, automation-robotics, sustainability and climate change, and a circular economy, should seriously be considered as worthy endeavors.

The adoption of new technologies and digitalization of operations and processes are likewise vital. Such technologies are directly related to the internet, including the IoT, the cloud, and digital platforms and ecosystems. These lead to a greater degree of integration of production, a reduction in transaction costs and easier participation, and more effective coordination of cooperating companies from various geographical locations.

Data collection and analysis (data analytics) help in better production coordination and management within GVCNs and geographically dispersed networks. Moreover, the use of online commercial platforms (e-commerce) results in easy and direct access for producers to raw materials and semi-finished products. Large markets of potential customers are also much more readily accessible.

Sustainable development, climate change, and the circular economy

All the more, a global trend for sustainable development is affecting the structure, organization, and development of GVCNs. There is a growing need to closely monitor and control companies’ social and climate footprints and their alignment with Environment, Social, and Governance (ESG) priorities. At the same time, the imposition of rules on sustainability issues by governments directly affects the structure and operation of GVCNs since these lead to changes in transportation costs and countries’ advantageous dependence on renewable energy availability.

The necessity for sustainability and more efficient management of resources is leading to countries’ adoption of regulations for the operation of the economy and dynamic industries, and businesses are formulating business models and strategies compatible with the imperatives of the circular economy. Technological development now results in technologically and economically feasible production processes that operate within the framework of the circular economy. There is a focus on significant waste reduction, savings, and recycling / reutilization of raw materials and products.

Companies, therefore, develop business models within ecosystems based on collaboration with other companies in order to sustainably produce and deliver value. The purpose of these models and ecosystems is to effectively manage the life cycle of products and spare parts. Of course, the transition from a traditional-linear / operation-production model to a circular one mandates that companies make significant changes in the way they perceive the creation and distribution of value in the economy.

At the same time, the way in which producers in the complex economy model collect revenue is also changing. While, traditionally, income came from product sales, in the circular economy model, profits stem from product rental and other such services. This of course requires new skill development for value production more closely aligned with industrial product usage services, often the result of strategic partnerships among companies.

The circular business model, therefore, has the potential to revitalize manufacturing sectors and businesses by giving them the opportunity to develop new partnerships with companies and ecosystems within the framework of the GVCN, minimizing the burden on the environment, maintaining economic robustness, and achieving the triptych of objectives: an interconnection between the environment, society, and economy, leading to robustness.

European Union funds

The participation of the Greek complex economy in the GVCNs—and mainly in the regional GVCN—requires horizontal interventions that will establish and even improve the required structures and environment, thereby enabling Greek manufacturing to become competitive. Axarloglou argues that Greece has a great opportunity to improve its complex economy with the National Recovery and Resilience Plan “Greece 2.0.” It is a comprehensive plan of reforms and investments for the restructuring of the country’s production model within the extroversion-competitiveness-innovation axis.

The plan is based on initial funding of $35.6 billion (€31.1 billion) for the 2022-2026 period (approximately $21 billion in the form of subsidies and about $14.5 billion in the form of loans), with the prospect of drawing additional investment resources totaling $67.4 billion (€58.8 billion). The plan consists of four Pillars (and 18 sub-axes), namely green transition; digital transition; employment, skills, and social cohesion; and private investment and transformation of the economy.

Green transition emphasizes the energy transformation of the Greek economy towards renewable energy sources and a more energy-efficient operation of the economy, the more efficient use of natural resources, and the promotion of a circular economy.

The digital transition of the economy includes investment in infrastructure (optical fibers, 5G, etc.), the digital transformation of the state, and the promotion and adoption of digital technologies by businesses so that they can be interconnected in the International Production Networks (IPNs).

Employment, skills, and social cohesion includes actions to improve the functioning of the labor market, the reintegration of the unemployed into the labor market, the creation of jobs, and the reduction of inequalities, poverty, and social and economic exclusion.

Finally, private investment and economic transformation includes investments and actions to modernize public administration, strengthen the financial system, promote and support research and innovation, modernize and improve the resilience of key sectors—such as tourism and manufacturing—of the economy, and ultimately improve competitiveness and promote private investment and exports.

“Industry 4.0”

The acceleration of the “Industry 4.0” transformation program includes digital transformation as well as the development of “smart” production and a new generation of industrial parks in Greece. The promotion and support of investments for the development of new or upgraded production lines would enhance production and cooperation in GVCNs and improve competitiveness with an emphasis on advanced and digitally controlled industrial equipment, production control systems, and the establishment of industrial partnerships.

Furthermore, there should be significant structural changes to reduce bureaucracy related to business operations and simplify procedures for attracting and implementing foreign direct investment in the country. This will be possible with the implementation of horizontal actions to strengthen the Greek economy within the framework of the National Recovery and Resilience Plan “Greece 2.0.” Therefore, the “Greece 2.0” and “Industry 4.0” programs are inextricably linked to each other for the development of a productive complex economy in the country.

Recent research shows that ancient Greeks used a primitive type of lifting machine to move heavy stones before they began using cranes 2,500 years ago.

It is commonly believed that the foremost discovery of the ancient Greeks in building technology is the crane. Yet, enormous stone structures were known to have been built in Greece at least 150 years before the use of cranes themselves.

Cranes first appeared in the late sixth century BC, according to research published in the Annual of the British School at Athens, but their mechanical forerunners were used in buildings such as the Temples of Isthmia and Corinth at least 150 years before that, around the middle of the seventh century BC.

The researchers say that ancient Greeks were likely to have first used ramps made of earth or mudbrick to lift the heavy stone blocks used in major construction. The lifting devices are thought to have been similar to the ones used by ancient Egyptians and Assyrians centuries earlier.

The precursor of the crane lifting machine

The paper, written by Alessandro Pierattini, an assistant professor of architecture at the University of Notre Dame, argues that a kind of lifting machine used by the ancient Greeks was the next precursor to the crane, one which was capable of lifting ashlar blocks weighing over 200 to 400 kilograms (440 to 880 pounds).

The lifting machine was originally invented by the Corinthians, who used it to build ships and for lowering heavy sarcophagi into narrow, deep burial pits. It was not a crane, since it did not use winches or hoists. Instead, the builders redirected the force of the weight by using a rope passed over a frame.

“This kind of masonry represents a crucial step in the development of Greek monumental stone architecture, marking a departure both from mudbrick construction, which had been the norm for most Greek buildings, and from previous experiments with stone construction,” Pierattini writes.

The first documented use of the lever in Greek temples

Evidence of the device is considered to be grooves etched onto the bottom of stones used to construct the Corinth and Isthmia temples. These grooves are familiar to historians, but until now, it had been unknown if the grooves had occurred as a result of lifting the blocks during the building process or from moving them around in quarries.

For the study, Pierattini studied stone blocks used in early Greek temples while he also engaged in some hands-on experimental archaeology. He studied the blocks from the mid-seventh-century temples at Corinth and Isthmia and their peculiar markings—two parallel rope-grooves cut into their undersides which turned up on one end.

Using actual stones and ropes, Pierattini found that the grooves could have served a dual function, allowing builders to both lift the blocks and position them tightly against their neighbors along the walls of buildings.

“With heavy stone blocks and high friction between stone surfaces, this was a highly problematic step of construction that in later times would require sets of purpose-made holes for using metal levers,” said Pierattini.

“Μy paper demonstrates that the builders of the early temples at Corinth and Isthmia were already using levers for the final setting of the blocks. This represents the first documented use of the lever in Greek architecture,” the professor explained to Gizmodo.

Ever found yourself scratching your head, wondering if aside from legendary philosophers and epic poets there were also any “tech gurus” in ancient Greece? When the conversation turns to Greek scientific minds, one might think of figures like Archimedes and Euclid and rightly so. However, there’s a name that truly deserves a much brighter spotlight—that of Ctesibius.

Ctesibius was a true genius of Hellenistic Alexandria, who, quite literally, set the wheels (and yes, the water organ, or hydraulis!) in motion. Due to his brilliant mind, he laid down fundamental principles for technologies that, believe it or not, continue to shape our everyday world to this very day.

Ctesibius was one of ancient Greece’s greatest innovators

Born into the vibrant, intellectual epicenter of Alexandria during the Ptolemaic era, Ctesibius became a hands-on inventor, driven by an almost insatiable curiosity to truly understand and harness the raw power of the natural world.

Imagine at a time when entire civilizations relied on human muscle and simple machines, seeing someone create music from water or build a clock accurate for two thousand years. The sheer innovative audacity of Ctesibius was difficult to fathom.

Of course, at a time of wizards, this wasn’t a magic trick but the real, unadulterated brilliance of the mind of this Greek man. His groundbreaking contributions to pneumatics, the study of compressed air, and hydraulics, the science of liquids in motion, were utterly revolutionary for their time, making Ctesibius the “father of pneumatics.”

Just think about the fact that long before your car tires ever saw a pump or your pneumatic drill came to life, Ctesibius meticulously explored the very principles that made these tools possible. It’s a bit humbling, isn’t it, how many unsung heroes from antiquity have genuinely shaped the modern world we so often take for granted?

From melodic water organs to clocks

Among Ctesibius’ most well-known creations was the hydraulis, a genuinely revolutionary water organ. This was, quite simply, the world’s very first keyboard instrument. What an astonishing feat of engineering from over two millennia ago! It ingeniously utilized water pressure to guarantee a completely constant supply of air to its pipes, producing a sound that was remarkably stable and resonant. Imagine the awe of ancient audiences in hearing such a complex, melodic instrument for the absolute first time. It must have felt like nothing short of a miracle.

Beyond the enchanting music, Ctesibius’ improvements to the clepsydra, or water clock, were equally impressive. Prior to this tech guru, water clocks were notoriously imprecise. He revolutionized them through innovative mechanisms for regulating water flow and added an indicator system that provided unprecedented accuracy.

For over 1,800 years, his water clocks were the absolute gold standard in timekeeping. In other words, the pinpoint accuracy of your smartphone’s clock owes an indirect yet profoundly deep debt to a man who lived centuries before the mere concept of electricity was even a thing.

Ctesibius’ impact on our world

While Ctesibius himself may not have managed to become one of ancient Greece’s top names, his principles and inventions survived the test of time. They influenced later Roman and Arab engineers and eventually powered the European Renaissance. The very force pump he designed, for instance, is a direct progenitor of modern pumping systems, absolutely essential for everything from our city water supplies to the fire engines we rely on to keep us safe on a daily basis.

His profound understanding of the properties of air-laid processes set the foundation for all future pneumatic applications which today power everything from colossal industrial machinery to delicate medical devices. Hence, next time you hear the satisfying whoosh of a bus door, the gentle hiss of an automated machine, or simply admire the quiet precision of a modern watch, take a moment to think back to Ctesibius, the ancient Greek tech genius.

Anthropic, one of the world’s leading artificial intelligence companies, has called for a slowdown in the development of advanced AI systems, warning that humanity may be approaching a point where the technology becomes difficult to control.

The company behind the Claude chatbot said it would support a temporary pause in developing more powerful AI models if other leading developers agreed to do the same.

Anthropic argued that a slowdown could provide governments, researchers, and society with more time to understand and manage the risks associated with increasingly capable AI systems.

The warning comes as Anthropic continues to position itself as one of the industry’s strongest advocates for AI safety. The company has reportedly withheld public access to its most advanced AI system, known as Mythos, because of concerns that it could be misused for large-scale cyberattacks and other harmful activities.

Researchers warn of self-improving AI

In an essay published Thursday, Marina Favaro, head of Anthropic’s research division, and company president Jack Clark said AI may be approaching a critical milestone known as “recursive self-improvement.”

The concept refers to AI systems helping design and improve future generations of AI with decreasing human involvement. Researchers said such a development could rapidly accelerate technological progress but also introduce new challenges for oversight and control.

LATEST: Claude maker Anthropic is calling for a global pause in AI development, warning that models are approaching the ability to self-improve without human intervention. pic.twitter.com/7WM9jmDZjt

— Cointelegraph (@Cointelegraph) June 4, 2026

Favaro and Clark pointed to growing evidence that AI is already contributing to its own development. According to the company, employees now produce roughly eight times more code than they did between 2021 and 2025, largely because of AI-assisted software development. The researchers also said AI systems are becoming better at generating ideas, planning research, and supporting scientific work.

Anthropic Chief Executive Officer Dario Amodei has previously warned about the potential risks of advanced AI, estimating there is a 25% chance that the technology could lead to severe negative outcomes if it is not developed responsibly.

A global pause would be difficult

Despite advocating caution, Anthropic acknowledged that coordinating a worldwide slowdown would be extremely challenging.

The company said any meaningful pause would require cooperation among leading AI laboratories across multiple countries. It also noted that verifying compliance would be difficult because AI training runs can be conducted privately and are far less visible than traditional military infrastructure.

Anthropic compared the competition to develop advanced AI to an arms race, arguing that companies may feel pressure to move faster to avoid falling behind rivals.

Critics question the warnings

Not all experts agree with Anthropic’s assessment. Some researchers and industry observers argue that AI companies may be overstating the capabilities of current systems or emphasizing risks to encourage regulations that could disadvantage competitors.

The debate comes amid growing uncertainty in the AI sector. Shares of semiconductor company Broadcom recently fell sharply after disappointing investors with its sales outlook, triggering a broader decline among AI-related chipmakers and renewing concerns that enthusiasm surrounding artificial intelligence may have outpaced market realities.

As AI capabilities continue to advance, questions about safety, governance, and oversight are expected to remain central to the global conversation surrounding the technology.

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It’s impossible to compile a complete list of all the technologies and weapons that have influenced warfare throughout the centuries. Some breakthrough innovations, however, have been so impactful that they fundamentally changed how wars were fought—from the humble bow and arrow to tanks to modern killer drones. Related: 10 U.S. Military Plans That Were Top […]

The post 10 Historical Inventions That Changed War Forever appeared first on Listverse.