Questions of the Week
What happens to the extra electrons in your hair that you have brushed in after a while ?
What is the term that scientists use to count a quantity of electrons?
What is the SI unit for electric current?
What is the SI unit for resistance?
Scientist of the Week
I was born on September 21,1853.
I was a Dutch physicist and Nobel laureate.
On 8 April 1911, I found that at 4.2 K the resistance in a solid mercury wire immersed in liquid helium suddenly vanished.
I received widespread recognition for his work, including the 1913 Nobel Prize in Physics for (in the words of the committee) "his investigations on the properties of matter at low temperatures which led, inter alia, to the production of liquid helium".
Daily Questions
What are the electrons doing in an object that is an insulator?
What is equal to 1 amp of current?
Why must lab equipment be treated with care? (Several answers will be accepted.)
What is a way to get lights to stay on even if one light is burned out or broken?