Why is MIT making robot insects?

What is the size of the tiny combustion engines mentioned in the text?

• The size of a dime

• The size of a nickel

• The size of a quarter

• The size of a penny

How many times per second do the wings of the tiny yellow submarine flap when it is out of the water?

• 100 times per second

• 500 times per second

• 250 times per second

• 9 times per second

What mechanism does the 68-milligram robot use to jump on water?

• A propeller system

• A hydraulic system

• A spring mechanism that mimics a flea's leg

• A magnetic levitation system

How does the submarine robot break the surface tension to fly?

• By flapping its wings rapidly

• By using a sparker to ignite gas

• By using a jet propulsion system

• By using a propeller

What is the function of the large water repellent copper pads on the feet of one of the robots?

• To walk on water

• To camouflage the robot

• To generate electricity

• To attract fish

What is the surface area to volume ratio of a 1 cubic centimeter flyer?

• 0.6 to 1

• 6 to 1

• 10 to 1

• 1 to 1

What inspired the design of the robot that uses miniature electric rotors?

• Butterfly wings

• Bird wings

• Seeds from a maple tree

• Fish fins

What type of crystals were used to power the first RoboBees?

• Piezoelectric crystals

• Quartz crystals

• Sapphire crystals

• Diamond crystals

What is the frequency range of the RoboBee's wing flapping?

• 700 hertz

• 1000 hertz

• 400 hertz

• 100 hertz

What material is used to create the tiny muscles in the RoboBees?

• Soft polymers

• Silicon

• Metal alloys

• Graphene