uc santa cruz tesla at ucb scipp uc santa cruz careers of people in science: issues of power and...

UC Santa Cruz Tesla at UCBUC Santa Cruz Tesla at UCB

SCIPPUC Santa Cruz

Careers of People in Science: Careers of People in Science: Issues of Power and ControlIssues of Power and Control


SCIPPUC Santa Cruz

Santa Cruz Institute for Particle Physics SCIPPSanta Cruz Institute for Particle Physics SCIPP Prof. David Dorfan, Chair Physics Dept.Prof. David Dorfan, Chair Physics Dept.

Your Guests todayYour Guests today

UC Santa Cruz Department of PhysicsUC Santa Cruz Department of Physics Dr. Charlie Crummer, Laboratory ManagerDr. Charlie Crummer, Laboratory Manager

Dr. Felix Rosenbaum, post-docDr. Felix Rosenbaum, post-doc

(soon Dr.) Teela Pulliam, grad. Student(soon Dr.) Teela Pulliam, grad. Student

Colleen Milbury, SeniorColleen Milbury, Senior

Kamal Prasad, SeniorKamal Prasad, Senior

Brian Keeney, JuniorBrian Keeney, Junior


SCIPPUC Santa Cruz

Teaching, Research, OutreachTeaching, Research, Outreach

Elementary Particle PhysicsElementary Particle Physics

Condensed Matter Physics Condensed Matter Physics

& Wave Propagation& Wave Propagation

Particle Astrophysics & Particle Astrophysics & CosmologyCosmology

Teacher ProgramsTeacher Programs


SCIPPUC Santa Cruz

Galaxy

DNA

CellAtom

Nucleus

Electron microscope

Accelerator

SCIPP’s Research SCIPP’s Research extends from the extends from the smallest particlessmallest particles

to to

the largest structures the largest structures

in the Universein the Universe


SCIPPUC Santa Cruz

Graduate and Undergraduate Students Graduate and Undergraduate Students

conduct research in the SCIPP Laboratoriesconduct research in the SCIPP Laboratories

http://scipp.ucsc.eduhttp://scipp.ucsc.edu

……and have fun visiting SLACand have fun visiting SLAC


SCIPPUC Santa Cruz

ProgramProgram Introduction & Jacob's LadderIntroduction & Jacob's Ladder Safety FirstSafety First Corona: Corona:

– Zorro’s Sword Zorro’s Sword – Lights without CordsLights without Cords

Facts on LightningFacts on Lightning Facts on Tesla Coil Facts on Tesla Coil Mystery Knight in ArmorMystery Knight in Armor

– Fighting LightningFighting Lightning– Bolt to the faceBolt to the face– Sparks from the feetSparks from the feet

Any Questions ?Any Questions ?


SCIPPUC Santa Cruz

Normally you can't see, hear or Normally you can't see, hear or smell electricity, but the Tesla Coil smell electricity, but the Tesla Coil makes makes • Bright sparksBright sparks• Loud crackling noiseLoud crackling noise• The air smell bad (OzoneThe air smell bad (Ozone

SAFETY FIRST!SAFETY FIRST!SAFETY FIRST!SAFETY FIRST!

BRACE YOURSELF!BRACE YOURSELF!BRACE YOURSELF!BRACE YOURSELF!

1 Million 1 Million Volts! Volts!

DANGERDANGER

1 Million 1 Million Volts! Volts!

DANGERDANGER

Distance at least 20 ft. Distance at least 20 ft. Computers, Gameboys, CD players, Computers, Gameboys, CD players,

telephones to the back of the room – telephones to the back of the room – unplugged, switched off!unplugged, switched off!

Hearing aids off, pacemakers out of Hearing aids off, pacemakers out of roomroom


SCIPPUC Santa Cruz

ZorroZorroZorroZorro


SCIPPUC Santa Cruz

LightningLightning

Jacob’s LadderJacob’s Ladder

CoronaCorona

Tesla SparksTesla Sparks

are all related. are all related.

LightningLightning

Jacob’s LadderJacob’s Ladder

CoronaCorona

Tesla SparksTesla Sparks

are all related. are all related.

Principle:Principle: Air becomes ionized, and Air becomes ionized, and

therefore conducts electricity. therefore conducts electricity.

Lot’s of it, so the current heats up the air, Lot’s of it, so the current heats up the air,

excites the atoms/molecules which emit excites the atoms/molecules which emit light.light.


SCIPPUC Santa Cruz

Sparks

to grounded sword

What is happening with Zorro?

Conductor

to ground

What about

those lights

without cords?

The Power

of the

Electro-

Magnetic

Field !


SCIPPUC Santa Cruz

Two important concepts:Two important concepts:

Lightning Lightning The Faraday CageThe Faraday Cage


SCIPPUC Santa Cruz

How lightning worksHow lightning works

+

++

+

+

+

+

+

+

+++

++

+++

+ – –

–

–

–

–

–

–

–

– – –

–

–

–

++

+

++ ++ ++ ++ ++ ++ ++ ++ ++++ ++++++++

– – – – – – – – – – – – – – – – – – – – – –

– – – – – – – – – – – – – –

– – – – – – – – – – – –

– – – –

++ ++ ++ ++++++

++ ++

++ ++

++++ ++

++ ++ ++ ++ ++ ++

++++

++ ++ ++

++


SCIPPUC Santa Cruz

The Faraday CageThe Faraday Cage

Why aren't air planes in Why aren't air planes in grave danger being so grave danger being so close to the clouds and close to the clouds and all?all?

++++ ++

++++

++ ++ ++ ++++++++

– – – – – – – – – – – – – – – – – – – –

– – – –

– –

++++++

++ ++++++

Safest place during a Safest place during a lightning storm is in a plane lightning storm is in a plane or car because it is a or car because it is a Faraday CageFaraday Cage

Answer: They form a Answer: They form a Faraday Cage i.e., they Faraday Cage i.e., they are surrounded by metal; are surrounded by metal; if you are surrounded by if you are surrounded by metal you are safe the metal you are safe the electricity flows around electricity flows around the outsidethe outside


SCIPPUC Santa Cruz

Thomas “DC” Thomas “DC” Edison Edison

Nicola “AC” TeslaNicola “AC” Tesla

vs.vs.

Tesla RevivalTesla Revival 271 web sites are dedicated to Nicola 271 web sites are dedicated to Nicola

TeslaTesla Join the “Tesla Coil Web Ring” Join the “Tesla Coil Web Ring” http://nav.webring.yahoo.com/hub?ring=teslaring&list


SCIPPUC Santa Cruz

Voltage Voltage starts starts at 120 at 120 ends ends up at up at

1 million!1 million!

Voltage Voltage starts starts at 120 at 120 ends ends up at up at

1 million!1 million!

TransformerTransformer14,000volt

OutletOutlet120 volt

Resonance circuitResonance circuit1 million

volt

Ask your teachers about Ask your teachers about details!details!

Principle of the Tesla Principle of the Tesla CoilCoil


SCIPPUC Santa Cruz

Nicola Tesla as a Daredevil?Nicola Tesla as a Daredevil?

Double Exposure makes it safe!Double Exposure makes it safe!


SCIPPUC Santa Cruz

Physics Principle: TransformerPhysics Principle: TransformerPhysics Principle: TransformerPhysics Principle: Transformer

Power out = Power in Power out = Power in

Power = Volt Power = Volt Current Current

Power out = Power in Power out = Power in

Power = Volt Power = Volt Current Current

Power out@14kV

Where have Where have you seen you seen

this before?this before?

Power in@120V


SCIPPUC Santa Cruz

Transformation of EnergyTransformation of Energy

GLASTGLAST

SLACSLAC

Similar to the Tesla Coil, Similar to the Tesla Coil, accelerators convert energy into accelerators convert energy into new formsnew forms

– Visit the Stanford Linear Visit the Stanford Linear Accelerator Center (SLAC): Accelerator Center (SLAC): Electricity -> New particlesElectricity -> New particles

– SCIPP works on BaBar :SCIPP works on BaBar :

why we are made out of matterwhy we are made out of matter In Space in black holes:In Space in black holes:

– Matter -> Light, x-rays, “jets”Matter -> Light, x-rays, “jets”

– SCIPP works on GLAST Mission:SCIPP works on GLAST Mission:

discover the most powerful discover the most powerful accelerators in the universe accelerators in the universe


SCIPPUC Santa Cruz

Physics Principle: ResonancePhysics Principle: ResonancePhysics Principle: ResonancePhysics Principle: Resonance

Amplitude =Force

M (f2natural – f2

force)

A kick at the right frequency A kick at the right frequency builds up and gets you sky-high!builds up and gets you sky-high!A kick at the right frequency A kick at the right frequency builds up and gets you sky-high!builds up and gets you sky-high!


SCIPPUC Santa Cruz

Mystery KnightMystery KnightMystery KnightMystery Knight

Fighting LightningFighting Lightning

Bolt to the HeadBolt to the Head

Sparks from the feetSparks from the feet


SCIPPUC Santa Cruz

Electrical Electrical current current flows on the flows on the OUTSIDE of OUTSIDE of a metal!a metal!

Is Teela ok?Is Teela ok? Let’s check!Let’s check!

The armored suit is safe! The armored suit is safe! It's a Faraday Cage – no It's a Faraday Cage – no

electric field allowed insideelectric field allowed inside

Is Teela ok?Is Teela ok? Let’s check!Let’s check!

The armored suit is safe! The armored suit is safe! It's a Faraday Cage – no It's a Faraday Cage – no

electric field allowed insideelectric field allowed insideInvisible Invisible currentcurrent

Visible Visible sparkssparks

GroundGround

1 Million Volt1 Million Volt

Visible Visible sparkssparks


SCIPPUC Santa Cruz

Fysiks is Phun!Fysiks is Phun!

Questions?Questions?

Ask after the show, e-mail, visit…Ask after the show, e-mail, visit…

You find our coordinates on the webYou find our coordinates on the web

http://scipp.ucsc.edu http://scipp.ucsc.edu


SCIPPUC Santa Cruz

Say “Good bye” to Say “Good bye” to

Daniel Greenhouse,Daniel Greenhouse,

the brain behind the sparksthe brain behind the sparks

He is an undergraduateHe is an undergraduate

at UC Santa Cruz.at UC Santa Cruz.

http://scipp.ucsc.eduhttp://scipp.ucsc.edu

Thanks to our hosts:Thanks to our hosts:

All you studentsAll you students

Anne MacLachlanAnne MacLachlan

uc santa cruz tesla at ucb scipp uc santa cruz careers of people in science: issues of power and...

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