Fusion Energy and Environmental Concerns

The video discusses the future of energy, highlighting the current reliance on oil and coal due to their high energy density. It explores the potential of solar energy, noting its decreasing costs and increasing government support. The video also examines fusion energy, emphasizing recent advancements and its potential as a clean energy source by mid-century. The environmental impact of fossil fuels is addressed, with predictions that solar and fusion will become competitive and essential in the future energy landscape.

What is the main reason oil and coal are currently dominant energy sources?

• They contain more energy in a convenient form.

• They are environmentally friendly.

• They are cheaper to produce.

• They are renewable.

Why is solar energy not yet ready to replace fossil fuels?

• It lacks government support.

• It is not yet efficient enough for widespread use.

• It is not mass-produced.

• It is too expensive.

What is expected to happen when the cost of fossil fuels intersects with the cost of renewable technology?

• Renewable energy will become economically viable.

• There will be no significant change.

• Fossil fuels will become more popular.

• The cost of renewable technology will increase.

What is the potential source of energy for fusion reactions?

• Coal

• Natural gas

• Seawater

• Wind

What is a common skepticism about fusion energy?

• It has been promised for decades without results.

• It is too expensive to develop.

• It requires rare materials.

• It is harmful to the environment.

Which country is home to the largest laser fusion facility?

• China

• United States

• Germany

• France

By what year is the ITER fusion reactor expected to be operational?

• 2040

• 2019

• 2025

• 2030

What environmental issue is highlighted as a concern for the future?

• Greenhouse effect

• Deforestation

• Water pollution

• Ozone depletion

What is the expected timeline for solar energy to become competitive with fossil fuels?

• 5 years

• 30 years

• 10-15 years

• 20 years

What is a key advantage of fusion energy?

• It is already widely used.

• It uses coal as a primary source.

• It produces no greenhouse gases.

• It is cheaper than solar energy.