Mod 10 Flashcards
(25 cards)
What is the module 10 all about
The nano world and covid-19
He introduced the concept of nanotechnology and nanoscience started in December 29, 1959
Richard Feynman
Is a science engineering and technology conducted at the nanoscale.
Nanotechnology
Refer to technologies, materials, particles, objects we are focusing on nanomaterial as these are already being used in workplace more widely.
Nano
A sheet of paper is about _____nanometers thick
100,000
A human hair is around ______ nanometers wide.
80,000-100,000
What are the naturally occurring materials used to make nanotechnology
Forest fires
Sea spray
Mineral composites
Volcanic ash
Viruses
What are the human origin or incidental materials used to make nanotechnology
Cooking smoke
Diesel exhaust
Welding fumes
Industrial effluents
Sandblasting
What are the human origin or engineered materials used to make nanotechnology
Metals
Quantum dots
Bucky balls/nano tubes
Sunscreen pigments
Nano capsules
Who built electron microscope
Ernst Ruska and Max Knoll, 1930
Used particle beam to light up and magnify million times
Electron microscope
What are the two types of electron microscope
Scanning electron microscope
Transmission electron microscope
A special type of microscope enables scientist to view and manipulate nano particles, atom and small molecules.
Scanning tunneling microscope
It refers to the scaled-up, reliable and cause effective manufacturing of nanoscale materials, devices and system.
Bottom up
It is first developed in 1986 by Greg Binig, Calvin Quate, and Christoph Gerber that has a mechanical probe that used together information from the surface of a materials.
Atomic force microscope
The process of building products from molecular components
Bottom up nano manufacturing
The process of developing products from whole pieces of material
Top down nano manufacturing
When did chinese authorities first reported to the world health organization (WHO) pneumonia cases with unknown cause in wuhan city, hubei province, china
December 31, 2019
What is the cost of outbreak of pneumonia cases
Severe acute respiratory syndrome coronavirus t
2 (SARS-COV2)
Is the disease caused by SARS-COV2 the triggers respiratory tract infection. The severity ranges from mild to deadly.
COVID-19
WHO declare the outbreak as public health emergency of international concern.
January 30, 2020
Who is the director of WHO that declared the covid-19 pandemic
Director general Dr. Tedros Adhanom Ghebreyesus
When did director general declared covid-19 as pandemic
March 11, 2020
Refers to the global spread of a new disease
Pandemic
