Sciences
/ 10
Which mathematician and astronomer improved the mechanism of the pendulum clock in 1656?
2Christian Huygens
1Galilée
Good Answer!
Christian Huygens is a Dutch mathematician, astronomer and physicist. He built the first pendulum clock, which improved the accuracy of existing clocks from 15 minutes to 15 seconds per day (1656). Huygens is generally credited for his fundamental role in the development of modern computing.
Wrong Answer!
Christian Huygens is a Dutch mathematician, astronomer and physicist. He built the first pendulum clock, which improved the accuracy of existing clocks from 15 minutes to 15 seconds per day (1656). Huygens is generally credited for his fundamental role in the development of modern computing.
Sciences
/ 10
What NASA program was aimed at putting a man on the moon?
1Apollo
2Discovery
Good Answer!
The Apollo space program conducted during the period 1961-1975 enabled the United States to send men to the Moon for the first time.
Wrong Answer!
The Apollo space program conducted during the period 1961-1975 enabled the United States to send men to the Moon for the first time.
Sciences
/ 10
When was the first in vitro fertilization performed?
11978
21988
Good Answer!
In vitro fertilization (IVF) is a technique for medically assisted reproduction and embryo transfer. The first "test-tube baby", Louise Brown, was born on July 25, 1978.
Wrong Answer!
In vitro fertilization (IVF) is a technique for medically assisted reproduction and embryo transfer. The first "test-tube baby", Louise Brown, was born on July 25, 1978.
Sciences
/ 10
Is a square a rhombus?
1Yes
2No
Good Answer!
A square is a regular polygon, which is both a rhombus and a rectangle.
Wrong Answer!
A square is a regular polygon, which is both a rhombus and a rectangle.
Sciences
/ 10
Which research area was voted Method of the Year by Nature Methods 2010?
2Optogenetics
1Quantitative genetics
Good Answer!
Optogenetics is a new field of research and application, combining optics with genetics. Optogenetics was developed by the Stanford neurologist and psychiatrist Karl Deisseroth and was voted method of the year according to Nature Methods 2010. It makes neurons sensitive to light by combining genetic engineering and optics.
Wrong Answer!
Optogenetics is a new field of research and application, combining optics with genetics. Optogenetics was developed by the Stanford neurologist and psychiatrist Karl Deisseroth and was voted method of the year according to Nature Methods 2010. It makes neurons sensitive to light by combining genetic engineering and optics.
Sciences
/ 10
What is the period of the Moon's revolution?
127.3 days
230.7 days
Good Answer!
The Moon orbits the Earth in about 27.3 days at an average speed of 1,023 m/s.
Wrong Answer!
The Moon orbits the Earth in about 27.3 days at an average speed of 1,023 m/s.
Sciences
/ 10
Which surgeon performed the first heart transplant?
1Christiaan Barnard
2James Hardy
Good Answer!
The first heart transplant using a human heart was performed by Christiaan Barnard, a heart surgeon in Cape Town, South Africa, on December 3, 1967. He was followed by Norman Shumway in the United States a few months later.
Wrong Answer!
The first heart transplant using a human heart was performed by Christiaan Barnard, a heart surgeon in Cape Town, South Africa, on December 3, 1967. He was followed by Norman Shumway in the United States a few months later.
Sciences
/ 10
When did the French confectioner Nicolas Appert invent canned can?
11795
21895
Good Answer!
The canned can was invented in 1795 by the French confectioner Nicolas Appert (1749-1841). He used glass containers, such as champagne bottles with widened necks. The process met with moderate success and was gradually introduced in other European countries and then in America, after Nicolas Appert published his discovery in 1810.
Wrong Answer!
The canned can was invented in 1795 by the French confectioner Nicolas Appert (1749-1841). He used glass containers, such as champagne bottles with widened necks. The process met with moderate success and was gradually introduced in other European countries and then in America, after Nicolas Appert published his discovery in 1810.
Sciences
/ 10
What is the brand of the car sent into space on the maiden flight of the Falcon Heavy rocket?
2Tesla
1Ferrari
Good Answer!
The Tesla Roadster is an automobile that was used as an empty load during the maiden flight of the Falcon Heavy rocket. In February 2018, it is launched into space.
Wrong Answer!
The Tesla Roadster is an automobile that was used as an empty load during the maiden flight of the Falcon Heavy rocket. In February 2018, it is launched into space.
Sciences
/ 10
Which branch of astronomy is inaugurated by the LIGO and Virgo laboratories in 2016?
2Gravitational astronomy
1Electromagnetic astronomy
Good Answer!
On February 11, 2016, the LIGO-Virgo collaboration officially announced that on September 14, 2015, the two LIGO observatories detected gravitational waves, an event named GW150914, produced by the coalescence of two black holes. This event inaugurates gravitational astronomy, a new branch of astronomy.
Wrong Answer!
On February 11, 2016, the LIGO-Virgo collaboration officially announced that on September 14, 2015, the two LIGO observatories detected gravitational waves, an event named GW150914, produced by the coalescence of two black holes. This event inaugurates gravitational astronomy, a new branch of astronomy.
