What was the name of Edison’s motion-picture camera patented in 1897?
Answer
Kinetograph
92191 Intermediate Trivia Questions
92191 public questions at this depth. How many can you answer?
Which inventor is credited with creating the World Wide Web in 1989?
Answer
Tim Berners-Lee
Which inventor created the first permanent photograph, made in France around 1826?
Answer
Nicéphore Niépce
Which inventor created the first electronic television image in 1927?
Answer
Philo Farnsworth
Who invented the three-position traffic signal, patented in 1923?
Answer
Garrett Morgan
Who invented the induction motor, first demonstrated publicly in 1888?
Answer
Nikola Tesla
Which inventor is credited with introducing movable-type printing to Europe around 1440?
Answer
Johannes Gutenberg
Which NASA space telescope was launched aboard Space Shuttle Discovery in April 1990?
Answer
Hubble Space Telescope
Which physicist won the 1995 Nobel Prize in Physics for detecting the neutrino?
Answer
Frederick Reines
What mass limit for white dwarfs is named after Nobel laureate Subrahmanyan Chandrasekhar?
Answer
The Chandrasekhar limit
What method did Kary Mullis help develop, earning him the 1993 Nobel Prize in Chemistry?
Answer
Polymerase chain reaction
What is the global system of underwater mountain chains where new oceanic crust forms?
Answer
Mid-ocean ridge
What type of plate boundary forms when two tectonic plates slide horizontally past each other?
Answer
Transform boundary
Which 2011 earthquake and tsunami devastated northeastern Japan?
Answer
Tōhoku earthquake
What was the largest earthquake ever recorded by instruments, measured at magnitude 9.5?
Answer
1960 Valdivia earthquake
What is the name for the inclined earthquake zone marking a descending tectonic plate?
Answer
Wadati–Benioff zone
What is the boundary called where Earth’s crust meets the mantle?
Answer
Mohorovičić discontinuity
Which two tectonic plates meet along California’s San Andreas Fault?
Answer
Pacific and North American plates
What was the first successful organ transplant between humans?
Answer
Kidney transplant
Which vitamin can human skin produce after ultraviolet B exposure?
Answer
Vitamin D
Which blood protein carries most oxygen in human blood?
Answer
Hemoglobin
About how long does a typical human red blood cell live?
Answer
120 days
Which brain structure connects the left and right cerebral hemispheres?
Answer
Corpus callosum
What is the basic functional unit of the human kidney?
Answer
Nephron
Which structure in the human brain produces most cerebrospinal fluid?
Answer
Choroid plexus
Who recorded the first human electroencephalogram, or EEG?
Answer
Hans Berger