Innovative Low-Cost Scientific Tools

What is the primary goal of Manu Prakash's inventions?

• To create expensive scientific tools

• To improve the lives of the world's poorest through low-cost inventions

• To develop high-tech gadgets for laboratories

• To design tools for space exploration

How much does the paper microscope cost to make?

• 50 cents

• 10 dollars

• 5 dollars

• 100 dollars

What is the magnification power of the paper microscope?

• 100 times

• 140 times

• 200 times

• 50 times

What is the concept of 'frugal science' as described by Manu Prakash?

• Science that is only for academic purposes

• Science that focuses on luxury products

• Science that is affordable and accessible to all

• Science that is expensive and exclusive

What is the main focus of Manu Prakash's lab at Stanford?

• Developing luxury scientific tools

• Creating high-cost medical devices

• Building affordable scientific tools

• Designing tools for space missions

What did the team discover when testing the paper microscope with pond water?

• The water contained large fish

• Tiny organisms with egg sacs and antennae

• There were no organisms present

• The water was completely clear

What inspired the design of the low-cost centrifuge?

• High-tech laboratory equipment

• Toys like yo-yos and whirligigs

• Traditional medical devices

• Complex mechanical gears

What is the main advantage of the low-cost centrifuge developed by Manu's team?

• It requires electricity

• It is very expensive

• It is lightweight and portable

• It is made of metal

How does the low-cost centrifuge separate blood components?

• By using magnets

• By using chemicals

• By using centrifugal force

• By using heat

What is the significance of the centrifuge's ability to spin at 20,000 rpm?

• It is slower than traditional centrifuges

• It requires a lot of power

• It matches the speed of expensive centrifuges

• It is too fast for practical use