Ferromagnetic materials are a class of materials that exhibit spontaneous magnetization, meaning they can become magnetized in the presence of an external magnetic field and retain that magnetization even after the external field is removed. This property arises from the alignment of magnetic moments associated with the atoms or ions in the material. Key characteristics of ferromagnetic materials include: 1. **Magnetization**: They can be strongly magnetized, resulting in a permanent magnetic field.

Firestorm is a fictional superhero appearing in American comic books published by DC Comics. The character was created by writer Gerry Conway and artist Al Milgrom, and first appeared in "Firestorm, the Nuclear Man" #1 in 1978. Firestorm's primary identity is that of Ronnie Raymond, a high school student who, after a nuclear accident, gains the ability to merge with Professor Martin Stein, a nuclear physicist. Together, they form the entity known as Firestorm.

The Stoletov curve, also known as the Stoletov's characteristic curve, is a concept from the field of photoconductivity and semiconductor physics. It defines the relationship between the photocurrent generated in a material and the intensity of the incident light. Named after the Russian physicist Alexander Stoletov, who made significant contributions to the study of photoelectric effects in solids, the curve typically illustrates how the photocurrent increases with increasing light intensity until it reaches a saturation point.

Brian Banner is a fictional character from the Marvel Comics universe. He is primarily known as the father of Bruce Banner, who becomes the Hulk. Brian is often portrayed as an abusive and troubled figure, which contributes to the psychological issues that Bruce faces throughout his life. His relationship with Bruce is complex and has been explored in various comic book storylines, generally depicting him as a source of trauma for Bruce.

Egon Spengler is a fictional character from the "Ghostbusters" franchise, primarily known for being one of the original ghostbusting team members in the 1984 film and its sequels. The character is portrayed as a brilliant scientist and a key member of the team, known for his expertise in paranormal research and technology. He is often characterized by his intellectual demeanor, scientific curiosity, and distinctive look, which includes thick glasses and often a lab coat.

Madman is a character from Marvel Comics, named Frank Charles (sometimes referred to as "Madman McGregor"). He is known for being an antagonist primarily associated with the superhero Deadpool. First appearing in "Deadpool" #15 in the 1990s, Madman has a somewhat tragic backstory. Initially a gun-toting criminal, he is often portrayed as being psychologically unstable, which contributes to his erratic behavior.

Radek Zelenka is a name that could refer to various individuals or topics, but as of my last update in October 2021, there isn't a widely known figure or concept explicitly associated with that name in popular culture, science, or current events.

"Incredibles 2" is a 2018 animated superhero film produced by Pixar Animation Studios and released by Walt Disney Pictures. It is a sequel to the 2004 film "The Incredibles," both directed by Brad Bird. The story continues the adventures of the Parr family, known as the superhero family "The Incredibles," as they navigate the challenges of having superpowers in a world where superheroes are still illegal.

"Captain Sindbad" is a 1963 fantasy adventure film directed by Byron Haskin. The film stars Guy Williams as Captain Sindbad, and it features a mix of live-action and special effects typical of the era. The story follows Captain Sindbad on his journey to rescue the beautiful Princess Shireen, played by Eva St. Marie, from the clutches of an evil sorcerer named Beder.

"Charlie St. Cloud" is a 2010 film directed by Burr Steers and based on the novel "The Death and Life of Charlie St. Cloud" by Ben Sherwood. The movie stars Zac Efron in the title role, alongside Amanda Crew, Kim Basinger, and Ray Liotta. The story follows Charlie St. Cloud, a young man who has a tragic car accident that results in the death of his younger brother, Sam.

"It's Magic, Charlie Brown" is a 1981 animated television special based on the Peanuts comic strip by Charles M. Schulz. In this special, Charlie Brown's friend, Snoopy, performs magic tricks, but things go awry when Charlie Brown's kite gets stuck in a tree, leading to a series of comical mishaps. The story revolves around the theme of friendship and emphasizes the humorous interactions among the beloved Peanuts characters, showcasing their unique personalities.

"Fiend Without a Face" is a 1958 British science fiction horror film directed by Arthur Crabtree. It is based on a short story by Amelia Reynolds Long and tells the tale of a military base in Canada that becomes terrorized by invisible, brain-like creatures that have the ability to kill by draining the life force from their victims.

"Gayab" is a term that can refer to different things depending on the context. In Hindi and Urdu, "gayab" translates to "missing" or "disappeared." It's often used in various cultural contexts, such as in literature, music, or conversational expressions. In popular culture, "Gayab" could also be referenced in movies, songs, or television shows, often involving themes of disappearance or the supernatural.

"Get Smart's Bruce and Lloyd: Out of Control" is a direct-to-video comedy film that was released in 2008. It is a spin-off of the "Get Smart" franchise, which originally began as a television series in the 1960s created by Mel Brooks and Buck Henry, later adapted into a feature film in 2008 starring Steve Carell.

"Griff the Invisible" is an Australian film released in 2010, directed by Leon Ford. The film is a blend of romantic comedy and fantasy and stars Ryan Kwanten in the title role as Griff, a lonely and awkward office worker who believes he has superpowers. He spends his nights dressed as a superhero, fighting imaginary enemies in his mind.

"Invisible Sister" is a Disney Channel Original Movie that premiered in 2015. The film is based on the book "My Invisible Sister" by Beatrice Colin and is a family-friendly comedy with elements of fantasy. The story revolves around a girl named Claire, who has a quirky and invisible sister named Sophie. Sophie becomes invisible due to a science experiment gone wrong.

"Invisible Strangler" does not refer to a widely recognized term or concept, so its meaning may depend on context. It could potentially relate to a fictional character, a narrative device in literature, film, or gaming, or have a specific meaning within certain subcultures or communities.

Compressed fluid refers to a fluid (liquid or gas) that is subjected to pressure higher than its atmospheric pressure, reducing its volume and increasing its density. When a fluid is compressed, its molecules are forced closer together, altering its physical properties. This concept is commonly applied in various fields, including engineering, thermodynamics, and fluid mechanics.

"The Invisible Maniac" is a 1990 low-budget horror-comedy film directed by Adam Rifkin. The movie revolves around a brilliant but disturbed scientist who develops a formula that makes him invisible. After an accident that leads to his invisibility, the scientist uses his newfound power to wreak havoc, leading to a series of comedic and horror-filled scenarios. The film is characterized by its campy style, over-the-top performances, and a mix of humor and horror elements.

"The Man Who Wasn't There" is a neo-noir film directed by the Coen brothers, released in 2001, not 1983. The film stars Billy Bob Thornton as Ed Crane, a quiet and reserved barber in 1940s California who becomes embroiled in a complex plot involving blackmail and murder. The plot revolves around Ed's mundane life, which takes a dark turn when he learns of his wife's infidelity and decides to take matters into his own hands.