My Science School

Entries from April 2018




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"Faith is, at one and the same time, absolutely necessary and altogether impossible."

Physics

When do we use a modem?»
Computers that are connected to a telephone line incorporate a device called a modem. ...
When was the CN Tower built?»
The CN Tower in Toronto, Canada is a communications and observation tower. This ...
When was the telescope invented?»
Galileo is credited with having developed telescopes for astronomical observation in ...
When was Braille invented?»
The Braille system was invented in 1829 by a blind gentleman called Louis Braille. He ...
When was the first microscope used?»
In the 16th century scientists were starting to look inwards at the secrets of the ...

Chemistry

How do we describe the elements livermorium, tennessine and oganesson? »
                        ...
What qualities make nihonium, flerovium and moscovium special? »
                    Nihonium is ...
What are the element numbers 110, 111 and 112? »
                      ...
What are the features of bohrium, hassium and meitnerium? »
                      ...
What are the characteristics of the elements 104, 105 and 106? »
                      ...

Biology

When do we need fillings?»
Each tooth has two main parts. The root anchors it firmly in the gum, to withstand the ...
When do we lose our milk teeth?»
The average person has two sets of teeth, one after the other. The first is the baby, ...
When do we cough?»
Coughing is the way in which the lungs dislodge anything that blocks the air passages. ...
When does respiration occur?»
Respiration, or breathing, is when you draw air in through the nose and mouth and into ...
When are twins conceived?»
A baby begins as a fertilized egg – a pinhead-sized egg cell from the mother, which has ...