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The Invisible Cloak
Contributed by: Simpson
  • 1. What is the main material used to create the invisible cloak?
A) Cotton
B) Glass
C) Plastic
D) Metamaterials
  • 2. Which phenomenon allows the invisible cloak to work?
A) Magnetic fields
B) Light bending
C) Thermal insulation
D) Sound absorption
  • 3. Who is credited with the research on invisibility cloaks?
A) Albert Einstein
B) Nikola Tesla
C) David Smith
D) Isaac Newton
  • 4. In which year was the concept of an invisibility cloak first demonstrated?
A) 1995
B) 2006
C) 2000
D) 2010
  • 5. What challenges do scientists face in creating invisibility cloaks?
A) Limited bandwidth
B) Excessive weight
C) High visibility
D) High costs
  • 6. What is the public perception of invisibility cloaks mainly based on?
A) Historical artifacts
B) Natural phenomena
C) Military reports
D) Science fiction
  • 7. What scientific principle do invisibility cloaks often rely on?
A) Thermodynamics
B) Relativity
C) Quantum entanglement
D) Transformation optics
  • 8. How do invisibility cloaks affect the appearance of objects?
A) They absorb all light
B) They change color
C) They redirect light around them
D) They emit light
  • 9. What is a major ethical concern regarding invisible cloaks?
A) Material waste
B) Privacy invasion
C) Global warming
D) Cost to produce
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