Back to the Future II: Predictions and Realities

The video explores the predictions made by Back to the Future II about the year 2015, comparing them to actual technological advancements. It highlights areas where technology has surpassed expectations, such as microchips and the internet, and areas where it has not, like flying cars. The video also discusses advancements in medical and bionic technology, including rejuvenation and prosthetics, and concludes with a look at flying cars and potential future breakthroughs.

What is the significance of October 21, 2015, in 'Back to the Future II'?

• It's the day Marty McFly was born.

• It's the day Marty McFly traveled to the future.

• It's the day the time machine was invented.

• It's the day the movie was released.

Which technology was NOT predicted by 'Back to the Future II' but became prevalent by 2015?

• Cell phones

• Video calls

• Biometric scanners

• Flying cars

What technological advancement is crucial for video conferencing?

• Biometric scanning

• Silicon microchip

• Copper wires

• Fusion power

What is the main challenge in developing safe lithium-ion batteries?

• Volatility of lithium

• Size constraints

• Low energy density

• High cost

What did the 2014 study in the Journal of Nature Medicine suggest about young blood?

• It causes memory loss in young mice.

• It has no effect on aging.

• It can cure all diseases.

• It improves synaptic plasticity in old mice.

What is the term 'bionic' used to describe?

• A futuristic computer

• A type of flying car

• An interface between biology and electronics

• A rejuvenation clinic

What is the current limitation of bionic prosthetics?

• They require constant maintenance.

• They are not durable.

• They only work for major muscle motions.

• They are too expensive.

Which flying car model is expected to be available first?

• Terrafugia TFX

• AeroMobil

• DeLorean

• SkyCar

What is a key feature of the Terrafugia TFX flying car?

• It has a solar-powered engine.

• It can fly itself.

• It uses jet propulsion.

• It requires a pilot's license.

What does the video suggest about the nature of scientific progress?

• It is always symmetrical.

• It is linear and steady.

• It is unpredictable and random.

• It is often asymmetrical.