Technology
Overview
Technology refers to the totality of tools, machines, systems, methods, and processes developed based on scientific knowledge and experience to achieve practical human purposes. Beyond mere inventions, technology drives innovation across society, economy, and culture, serving as a key force that determines the pace and direction of human civilization's development. In modern times, technology has expanded into cutting-edge fields such as digital transformation, artificial intelligence, and biotechnology, deeply penetrating all aspects of daily life.
Main Content
Definition and Classification of Technology
Technology is broadly divided into material technology (hardware, machinery, infrastructure) and immaterial technology (software, algorithms, knowledge systems). It is also subdivided by application area into Information and Communication Technology (ICT), Biotechnology (BT), Nanotechnology (NT), Environmental Technology (ET), and Space Technology (ST). The advancement of technology is closely linked to progress in basic science, and the interaction among science, technology, and engineering creates a virtuous cycle of innovation.
Historical Development of Technology
The history of technology accompanies human evolution. It began with the chipped stone tools of the Paleolithic era and progressed through the Agricultural Revolution (cultivation, irrigation), the Industrial Revolution (steam engine, mechanization), the Electrical Revolution (power grids, communication), and the Information Revolution (computers, internet), reaching the current Fourth Industrial Revolution (artificial intelligence, Internet of Things, big data). Each revolution brought about dramatic increases in productivity and fundamental changes in social structures.
Major Technology Fields
- Artificial Intelligence (AI): Implemented through machine learning, deep learning, natural language processing, and computer vision, utilized in autonomous driving, medical diagnosis, financial analysis, etc.
- Information and Communication Technology (ICT): Core of digital infrastructure including 5G/6G communication, cloud computing, blockchain, and cybersecurity.
- Biotechnology: Gene editing (CRISPR), personalized medicine, synthetic biology, biofuels, etc., addressing health and environmental issues.
- Energy Technology: Renewable energy (solar, wind), hydrogen energy, small modular reactors (SMRs), energy storage systems.
- Space Technology: Reusable launch vehicles, satellite internet (Starlink), lunar/Mars exploration, space tourism.
- Nanotechnology: Nanomaterials, nanomedicine, nanoelectronics, microsensors.
Social Impact of Technology
Technology has positive effects such as economic growth, extended medical lifespans, improved educational access, and increased global connectivity, while also causing negative side effects like job displacement, privacy infringement, the digital divide, environmental pollution, and ethical dilemmas. As the pace of technological development outstrips the adaptation speed of social institutions, the importance of regulation and governance is growing.
Process of Technological Innovation
Technological innovation goes through stages: basic research → applied research → development → commercialization → diffusion. Silicon Valley, tech parks, startup ecosystems, open innovation, and government R&D investment are key mechanisms that promote innovation. In particular, patents and intellectual property rights provide incentives for technology development, but excessive protection can hinder innovation.
Latest Trends
The most prominent technology trend in 2024-2025 is the popularization and practical application of generative AI. Large language models (LLMs) such as GPT-4o, Gemini, and Claude have evolved to be multimodal, capable of integrating text, images, voice, and video. The concept of AI agents is emerging, with systems being developed that autonomously perform tasks and use tools.
In quantum computing, Google's Willow chip has made groundbreaking progress in error correction, while IBM, Microsoft, and others are advancing quantum-classical hybrid systems toward commercialization. The semiconductor industry is fiercely competing in sub-2nm processes, with chiplet architecture and 3D stacking technology becoming mainstream.
In the bio field, mRNA technology is expanding beyond COVID-19 vaccines to cancer treatments and rare diseases. The approval of a gene-editing therapy (Casgevy) for sickle cell disease has marked the full-scale commercialization of CRISPR-based treatments. Additionally, in anti-aging research, cellular reprogramming and epigenetic clock manipulation are gaining attention.
In the energy sector, repeated net energy gain in nuclear fusion experiments (US NIF, South Korea KSTAR) has been reported, and small modular reactors (SMRs) and next-generation batteries (all-solid-state, sodium-ion) are nearing commercialization. The electric vehicle market is growing, but challenges remain with charging infrastructure and battery raw material supply chains.
In space technology, progress includes successful orbital test flights of Starship, preparations for the Artemis program's crewed lunar landing, and plans for Mars sample return missions. Low Earth orbit satellite communication networks (Starlink, OneWeb) are expanding global internet coverage, contributing to bridging the geographic digital divide.
In cybersecurity, AI-based security systems are evolving to counter AI-driven attacks (deepfakes, automated phishing), and standardization of post-quantum cryptography (PQC) is underway. Federated learning and differential privacy technologies for personal data protection have begun to be applied in real services.
Related Topics
- [[Artificial Intelligence]]
- [[Fourth Industrial Revolution]]
- [[Digital Transformation]]
- [[Science and Technology Policy]]
- [[Technology Ethics]]
- [[Startup]]
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