What device did Ernest Lawrence invent at UC Berkeley in 1931 to
Chapter 1

Elements and energy that rewrote chemistry

Chapter 2

The spark of free speech and social change

Chapter 3

Campaniles, crypts, and campus lore

Chapter 4

The code and companies that built Silicon Valley

YOUR GOAL

Master of How UC Berkeley shook up science and society

Ch 1 · Elements and energy that rewrote chemistry
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ucberkeley Physicist Ernest Lawrence invented the cyclotron to smash atoms.

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ucberkeley UC Berkeley Element Discoveries

Sixteen elements, sixteen elements, born right here in Berkeley.

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At UC Berkeley, winning a Nobel Prize gets you a free parking spot for life.

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ucberkeley The secret UC Berkeley laboratory where scientists designed the atomic bomb

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The secret lab behind the atomic bomb

ucberkeley UC Berkeley professor J. Robert Oppenheimer led the scientific development of the first nuclear weapons.

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The invention of the atom-smashing cyclotron

ucberkeley Ernest Lawrence invented the cyclotron at UC Berkeley, earning a Nobel Prize and transforming modern physics.

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Fiat Lux!
BETA

ucberkeley Sort Berkeley's historic breakthroughs and secrets to discover how Cal shaped the modern world.

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Fun Fact

Nobel Parking: UC Berkeley Nobel Laureates receive a highly coveted prize on campus: their very own free, reserved parking space for life.

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Glossary
cyclotron (noun)
A circular particle accelerator in which charged subatomic particles are accelerated outward along a spiral path. Ernest Lawrence invented this device at Berkeley, allowing researchers to synthesize sixteen new periodic elements.

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Gossip

If you could name a new element, what would you name it after?

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Quiz

Which chemical element, discovered at UC Berkeley in 1950, was named after the university's home state?

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ucberkeley Scientists at Berkeley Lab create new elements for the periodic table

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Quiz

In which UC Berkeley building's Room 307 did Glenn Seaborg and his team co-discover plutonium in 1941?

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ucberkeley Glenn Seaborg led the team that discovered plutonium.

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Quiz

Which UC Berkeley physics professor was chosen to lead the scientific development of the atomic bomb in the Manhattan Project?

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Quiz

Which element, with atomic number 97, was discovered at UC Berkeley in 1949 and named directly after the city of Berkeley?

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Quiz

How many synthetic chemical elements on the periodic table were discovered or co-discovered by researchers at UC Berkeley?

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Quiz

What radioactive isotope produced by Berkeley's cyclotron was crucial for Melvin Calvin's breakthroughs in mapping photosynthesis?

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Quiz

What device did Ernest Lawrence invent at UC Berkeley in 1931 to accelerate charged particles?

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Quiz

For tracing the path of carbon in photosynthesis using radioactive isotopes, which UC Berkeley chemist won the 1961 Nobel Prize?

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