santa cruz institute for particle physics tesla coil show entertains bay view elementary school

SCIPP Tesla at Bay View E. S.SCIPP Tesla at Bay View E. S.

SCIPPUC Santa Cruz

Santa Cruz Santa Cruz Institute for Particle Physics Institute for Particle Physics Tesla Coil ShowTesla Coil Showentertains Bay View Elementary entertains Bay View Elementary SchoolSchool


SCIPPUC Santa Cruz

Santa Cruz Institute for Particle Physics SCIPPSanta Cruz Institute for Particle Physics SCIPP

UC Santa Cruz Physics DepartmentUC Santa Cruz Physics Department Prof. David DorfanProf. David Dorfan Dr. Charlie CrummerDr. Charlie Crummer

Your Guests todayYour Guests today

Prof. Hartmut SadrozinskiProf. Hartmut Sadrozinski Prof. Mara BruzziProf. Mara Bruzzi Dr. Lan ZhangDr. Lan Zhang Ruth Schmitz, Graduate StudentRuth Schmitz, Graduate Student


SCIPPUC Santa Cruz

Tesla ProgramTesla Program Introduction & Jacob's LadderIntroduction & Jacob's Ladder Safety FirstSafety First Corona: Corona:

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

How the Tesla Coil WorksHow the Tesla Coil Works Knight in ArmorKnight in Armor

– Bolt to the faceBolt to the face– Sparks from the feetSparks from the feet

Chicken Coop ?Chicken Coop ? Who was Nikola Tesla?Who was Nikola Tesla? Mystery Knight in ArmorMystery Knight in Armor

– Fighting LightningFighting Lightning


SCIPPUC Santa Cruz

Teaching, Research, OutreachTeaching, Research, Outreach

HEP: Smallest Particles: Quarks HEP: Smallest Particles: Quarks

C.M.:C.M.:

How do objects form How do objects form

and stay together?and stay together?

AstroPhysicsAstroPhysics

Big objects in the sky: Big objects in the sky: Stars, Black holes, Stars, Black holes, SupernovaeSupernovae


SCIPPUC Santa Cruz

Galaxy

DNA

CellAtom

Nucleus

Electron microscope

Accelerator

The size of the object and its distance tells me what kind of instrument I need to see it.

Larger & Farther away

Smaller & Harder to see

A Physicist View of the Universe


SCIPPUC Santa Cruz

Professors and Students (and Teachers!)Professors and Students (and Teachers!)

conduct research in the SCIPP Laboratories.conduct research in the SCIPP Laboratories.

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


SCIPPUC Santa Cruz

Summer 2001: Teachers help launch a big Science BalloonSummer 2001: Teachers help launch a big Science Balloon

Mr. Kliewer Mr. Kliewer

Prof. Schalk Prof. Schalk

Dr. DannDr. Dann

Mr. Manildi Mr. Manildi

Mr. Briber Mr. Briber


SCIPPUC Santa Cruz

Balloon Flight, Chase and RecoveryBalloon Flight, Chase and Recovery

After 250 Miles across Texas at 130,000 ft, 50g crash, still worksAfter 250 Miles across Texas at 130,000 ft, 50g crash, still works


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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 strange (Ozone)The air smell strange (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 room!room!


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ZorroZorroZorroZorro

Drawing lightning with a swordDrawing lightning with a sword


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Sparks

to grounded sword

What is happening with Zorro?

Wire to safe ground

What about

those lights

without cords?

Electricity

Moves

Through the Air(you knew that,

because you use

a radio and TV)


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

Summary of Tesla coil Summary of Tesla coil operation:operation:


SCIPPUC Santa Cruz

Learn about TransformersLearn about TransformersLearn about TransformersLearn about Transformers

Where have Where have you seen you seen

this before?this before?

Power comes outat 14000 Volts

Power goes inat 120 Volts

Commercial Transformer, Commercial Transformer,

hooked up the “wrong way”hooked up the “wrong way”

Commercial Transformer, Commercial Transformer,

hooked up the “wrong way”hooked up the “wrong way”


SCIPPUC Santa Cruz

Transformer 101:

Energy (Power ) (at best! - heat, sound, motion!) conserved

I*V constant

Primary (n1) and secondary (n2) share the Magnetic Flux

(use iron core!)

V1 n1*d/dt

V2 n2*d/dt n2/n1* V1


SCIPPUC Santa Cruz

We hear a lot about conserving PowerWe hear a lot about conserving Power

(turn off lamps, air conditioners, close refrigerator doors...)(turn off lamps, air conditioners, close refrigerator doors...)

Electrical Power is just converted wind, water, thermal powerElectrical Power is just converted wind, water, thermal power

It is brought to your neighborhood on high voltage linesIt is brought to your neighborhood on high voltage lines

We hear a lot about conserving PowerWe hear a lot about conserving Power

(turn off lamps, air conditioners, close refrigerator doors...)(turn off lamps, air conditioners, close refrigerator doors...)

Electrical Power is just converted wind, water, thermal powerElectrical Power is just converted wind, water, thermal power

It is brought to your neighborhood on high voltage linesIt is brought to your neighborhood on high voltage lines

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

Power goes inat 14000 Volts

Power comes outAt 120 Volts

and a transformer brings it down to 120Vand a transformer brings it down to 120V


SCIPPUC Santa Cruz

Transformation of PowerTransformation of Power

GLASTGLAST

SLACSLAC

Power is used everywherePower is used everywhere

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

QuarksQuarks Power is tranformed in Space Power is tranformed in Space

Black holes explode :Black holes explode :

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

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

discover the most powerful discover the most powerful “power plants” in the “power plants” in the universeuniverse


SCIPPUC Santa Cruz

ResonanceResonanceResonanceResonance

That’s how a swing works:That’s how a swing works:Match Resonance Frequency and In-PhaseMatch Resonance Frequency and In-Phase

That’s how a swing works:That’s how a swing works:Match Resonance Frequency and In-PhaseMatch Resonance Frequency and In-Phase

In the Tesla “swing”, the kick is supplied In the Tesla “swing”, the kick is supplied

by the Primary Coil, so it has to be tuned by the Primary Coil, so it has to be tuned

to the secondary circuit to be in resonanceto the secondary circuit to be in resonance

In the Tesla “swing”, the kick is supplied In the Tesla “swing”, the kick is supplied

by the Primary Coil, so it has to be tuned by the Primary Coil, so it has to be tuned

to the secondary circuit to be in resonanceto the secondary circuit to be in resonance


SCIPPUC Santa Cruz

Meet the Fighting KnightMeet the Fighting KnightMeet the Fighting KnightMeet the Fighting Knight

Fighting LightningFighting Lightning

Bolt to the HeadBolt to the Head


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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 is made of molecules. When they are Air is made of molecules. When they are ionized, they become charged and can conduct a ionized, they become charged and can conduct a current like an electrical wire. current like an electrical wire.

If there is a large current, it heats up the air and If there is a large current, it heats up the air and makes light. Thus, the sparks, flames etc are direct makes light. Thus, the sparks, flames etc are direct evidence for the model of atoms!evidence for the model of atoms!

Electricity in AirElectricity in Air


SCIPPUC Santa Cruz

How lightning worksHow lightning works

+

++

+

+

+

+

+

+

+++

++

+++

+ – –

–

–

–

–

–

–

–

– – –

–

–

–

++

+

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

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

– – – – – – – – – – – – – –

– – – – – – – – – – – –

– – – –

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

++ ++

++ ++

++++ ++

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

++++

++ ++ ++

++

Ground is safe!Ground is safe!


SCIPPUC Santa Cruz

The Faraday CageThe Faraday Cage

Planes are close to the Planes are close to the clouds and away from safe clouds and away from safe ground. Why aren’t they ground. Why aren’t they in grave danger from in grave danger from lightning?lightning?

++++ ++

++++

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

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

– – – –

– –

++++++

++ ++++++

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:Answer: They form a They form a “Faraday Cage” -- that is, “Faraday Cage” -- that is, they are surrounded by they are surrounded by metal. metal.

Electricity flows around Electricity flows around the outside of the metal, the outside of the metal, and anything inside is and anything inside is safe!safe!


SCIPPUC Santa Cruz

The “Chicken Coop”The “Chicken Coop”The “Chicken Coop”The “Chicken Coop”

The World’s Ugliest Faraday Cage --The World’s Ugliest Faraday Cage -- and it’s full of holes! and it’s full of holes!

But can it keep the lightning out?But can it keep the lightning out?


SCIPPUC Santa Cruz

Thomas “DC” Thomas “DC” Edison Edison

and his Batteriesand his Batteries

Nikola “AC” TeslaNikola “AC” Tesla

and his and his GeneratorsGenerators

vs.vs.

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

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

Nikola Tesla as a Daredevil waiting for a hair Nikola Tesla as a Daredevil waiting for a hair cut?cut?

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


SCIPPUC Santa Cruz

Mystery KnightMystery KnightMystery KnightMystery Knight

Who is afraid of Lightning?Who is afraid of Lightning?

Not the Mystery Knight!Not the Mystery Knight!


SCIPPUC Santa Cruz

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

Is the Mystery Knight OK?Is the Mystery Knight 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 inside.electric field allowed inside.

Is the Mystery Knight OK?Is the Mystery Knight 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 inside.electric field allowed inside.Invisible Invisible currentcurrent

Visible Visible sparkssparks

GroundGround

1 Million Volts1 Million Volts

Visible Visible sparkssparks


SCIPPUC Santa Cruz

Pls. Fill out the Feedback FormPls. Fill out the Feedback Form

Date…Date…10/07/200210/07/2002 School… School…Bay ViewBay View1)1)1) 1) Teacher or Student (circle one)Teacher or Student (circle one)

2) Did you know anything about these demonstrations before 2) Did you know anything about these demonstrations before you you saw them? (If so how much?)saw them? (If so how much?)

3) What did you learn from the demonstration?3) What did you learn from the demonstration?

4) What did you think worked well for you and what didn’t make 4) What did you think worked well for you and what didn’t make any sense?any sense?

5) What suggestions do you have that might make this 5) What suggestions do you have that might make this demonstration better? (that is easier to understand)demonstration better? (that is easier to understand)

6) Did you have fun at this presentation? Whom will you tell about 6) Did you have fun at this presentation? Whom will you tell about what you saw today?what you saw today?

7) Did this demonstration change your opinion about Science?7) Did this demonstration change your opinion about Science?

8) Any other comments?8) Any other comments?


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 was an undergraduateHe was an undergraduate

at UC Santa Cruz.at UC Santa Cruz.

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

santa cruz institute for particle physics tesla coil show entertains bay view elementary school

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