Solar Energy Discoveries and Advancements

Solar energy is a plentiful resource that has been harnessed since ancient times. The first solar device for electricity was created in 1883 by Charles Fritts. Albert Einstein's discovery of photons in 1905 revolutionized solar technology. In 1954, Bell Labs developed the modern solar cell. Initially used in remote areas, solar panels became more affordable and widespread by the late 20th century. Today, solar energy is rapidly growing, with ongoing improvements making it more versatile and accessible.

What is the primary role of solar energy on Earth?

• To generate wind

• To fuel plants and influence weather

• To create fire

• To power satellites

Who installed the first solar device to produce electricity, and where?

• Albert Einstein in Germany

• Nikola Tesla in Colorado

• Thomas Edison in New Jersey

• Charles Fritts in New York City

What significant discovery did Albert Einstein make about light?

• Light can behave as a particle or photon

• Light behaves as a wave

• Light can be used to generate heat

• Light is the fastest element in the universe

What accidental discovery did Bell Labs make in 1954?

• The properties of silicon semiconductors

• The creation of the first solar panel

• The use of solar energy in agriculture

• The modern solar-electric cell

Initially, where were solar panels primarily used?

• In street lighting

• In electric cars

• In rural telephone lines and satellites

• In urban homes

By the end of the 20th century, what improvements were made to solar cells?

• They were banned in some countries

• They became cheaper and easier to make

• They were used only in space

• They became more expensive

What are some of the recent advancements in solar cell technology?

• They are less efficient than before

• They are only used in large solar farms

• They are lighter, cheaper, and more flexible

• They are now heavier and more costly