Categorywolhan

In this blog post, we explore the principles and advantages of dye-sensitized solar cells and examine the potential technological and environmental innovations they could bring to our daily lives.   Current Energy Issues and Alternatives Currently, we rely heavily on fossil fuels and nuclear power for most of our energy. Fossil fuels are finite resources and cause environmental problems like...

Historical facts refer to events that occurred in the past. Historians are divided between Ranke, who views them as objective facts, and Droysen, who interprets them as subjective perceptions.   ‘Historical facts’ can mean the individual events that occurred in the past themselves, or they can mean only the facts of the past as subjectively grasped by historians. A historian’s approach...

This blog post reflects on whether moral judgment is truly an essential condition or unnecessary interference in historical narration, focusing on the historical perspective of Yi Ik, a Silhak scholar of the late Joseon period.   The orthodoxy theory was first formally proposed in late Joseon historiography through Hong Yeo-ha’s Dongguk Tonggam Jeegang. This emerged in the mid-17th...

This blog post explores how sound in films maximizes emotion and immersion, examining how various elements—such as background music, sound effects, and silence—influence audience feelings and narrative flow.   Visual information presented in a film is carried on the image track, while auditory information is carried on the sound track. The sounds contained within the sound track are...

In this blog post, we’ll explore how travel impacts our lives and how the memories and experiences gained along the way broaden our horizons and help us grow.   Travel is a word that always sparks anticipation. Everyone has traveled at least once in their life. People travel with their families when they are young. Each time, new landscapes and experiences accumulate, becoming special...

This blog post examines the principles and characteristics of dye-sensitized solar cells and explores how transparent and flexible solar technology will transform our future across diverse fields like architecture and electronics.   In the winter of 2013, the SNS drama ‘Infinite Power’ aired on Korean internet video sites. Set in a boarding house, the drama depicted the struggles and...

This blog post examines how business combinations can enhance market efficiency while simultaneously harming consumer interests, and explores how governments ensure fair competition.   A business combination refers to two or more companies merging their capital and organizational structures to form a single economic entity under unified control. Such combinations represent one strategic...

This blog post examines the dangers and cautionary message that media manipulation and tabloid journalism pose to our society, using the character of Magnussen, Sherlock Holmes’s adversary, as a lens.   If you were to name the protagonist of the world’s most famous detective novel, there’s one character who absolutely cannot be left out. That character, whose name everyone...

In this blog post, we’ll examine the principles and importance of understeer and oversteer phenomena, and explore the vehicle design elements and driving techniques to consider for preventing them.   For these reasons, the chassis design, suspension system, and tire selection play a crucial role in preventing understeer or oversteer phenomena. For example, optimizing the...

In this blog post, we’ll explore the concept of awake surgery, its pros and cons, how safe this surgical method actually is, and in what situations it is performed.   A scene from a Korean drama where a patient underwent brain surgery while conscious and shot an arrow became a hot topic. Immediately after the broadcast, social media was flooded with criticism: “Even for a drama...