UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
UC Santa Cruz Tesla Coil UC Santa Cruz Tesla Coil Show sparks CrittendenShow sparks Crittenden
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
UC Santa Cruz Institute for Particle PhysicsUC Santa Cruz Institute for Particle Physics Prof. Terry SchalkProf. Terry Schalk
Your Guests todayYour Guests today
Paddy FoxPaddy Fox
Michael WilsonMichael Wilson
Aaron DannAaron Dann
Dr. Gavin NesomDr. Gavin Nesom
Christian FlaccoChristian Flacco
Alan YangAlan Yang
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
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– Fighting LightningFighting Lightning
Facts about LightningFacts about Lightning Mystery Knight in ArmorMystery Knight in Armor
– Sparks from the feetSparks from the feet
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
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
Logarithmic Scale: every inch = factor 10
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
Teaching, Research, OutreachTeaching, Research, Outreach
Particle Physics: Quarks, Gluons Particle Physics: Quarks, Gluons
AstroPhysicsAstroPhysics
Large objects in the skyLarge objects in the sky
Black holes, SupernovaeBlack holes, Supernovae
SLACSLAC
Visit us, it’s just up Sand Hill RdVisit us, it’s just up Sand Hill Rd
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
Teaching, Research, OutreachTeaching, Research, Outreach
SCIPP OUTREACH:TeslaTesla Coil at your School: “Zap your Teacher”
QuarknetInvite H.S. teachers into our labs for Summer research programInvite H.S. student interns into our labs for a science experience
BalloonFestOrganize a High School Science meet on Ballooning
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
Quarknet Summer Program:H.S. teachers and student internsdo research
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
Quarknet Summer Program 2004:H.S. student interns refurbish SLAC scintillation counters for muon lifetime experiment
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
Teams of high school students will launch kites & balloons, gather and analyze data.
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
Teams of high school students will launch kites & balloons, gather and analyze data.
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
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 generates generates 1 million volts1 million volts, causing, causing• Bright sparksBright sparks• Loud crackling noiseLoud crackling noise• The air smell strange (Ozone)The air smell strange (Ozone)
SAFETY RULESSAFETY RULESSAFETY RULESSAFETY RULES
BRACE YOURSELF!BRACE YOURSELF!BRACE YOURSELF!BRACE YOURSELF!
1 Million 1 Million Volts! Volts!
DANGERDANGER
1 Million 1 Million Volts! Volts!
DANGERDANGER Stay at least 20 ft. awayStay at least 20 ft. away 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!
SAFETY FIRST!SAFETY FIRST!SAFETY FIRST!SAFETY FIRST!
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
ZorroZorroZorroZorro
Drawing lightning with a swordDrawing lightning with a sword
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
Sparks fly to sword
Electric current goes back through wire
Some electric current also goes through the air and lights up fluorescent bulbs
Where else does that happen?
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
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:
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
primarytransformer
secondarytransformer
S
C
T
P2 S2
UCSC EE 70
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
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 Electrical Power
is converted is converted
wind, water, wind, water,
thermal powerthermal power
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 Electrical Power
is converted is converted
wind, water, wind, water,
thermal powerthermal power
Physics Principle: TransformerPhysics Principle: TransformerPhysics Principle: TransformerPhysics Principle: Transformer
Power goes inat 14000 Volts
Power comes outAt 120 Volts
It is brought to your city It is brought to your city
on high voltage lines to transformerson high voltage lines to transformers
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
Transformation of PowerTransformation of Power
The SLAC linear accelerator creates The SLAC linear accelerator creates 90 Billion90 Billion Volts, Volts, as much as as much as 90,000 Tesla coils!90,000 Tesla coils!
We use that power to make We use that power to make new particles for new particles for scientific researchscientific research
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
Transformation of PowerTransformation of PowerElectrical power is converted everywhere Electrical power is converted everywhere
At home: Iron, Micro wave, Heater, RadioAt home: Iron, Micro wave, Heater, Radio
GLAST Mission (SCIPP+SLAC):GLAST Mission (SCIPP+SLAC):
investigate the most powerful investigate the most powerful “power plants” in the universe “power plants” in the universe
GLASTGLAST
Space hosts incredible Power sourcesSpace hosts incredible Power sources
Black holes explode :Black holes explode :
Matter -> Light, x-rays, “jets”Matter -> Light, x-rays, “jets”
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
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
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
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
History was not kind to N. Tesla:History was not kind to N. Tesla:
Engineering Battle Royal of the 20Engineering Battle Royal of the 20thth Century:Century:
Edison won the first Edison won the first rounds, rounds,
but Tesla carried the daybut Tesla carried the day
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
Nikola Tesla as a Daredevil in a double-exposure Nikola Tesla as a Daredevil in a double-exposure photographphotograph
Learn more at Learn more at http://nav.webring.yahoo.com/hub?ring=teslaring&list
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
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 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
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
How lightning worksHow lightning works
+
++
+
+
+
+
+
+
+++
++
+++
+ – –
–
–
–
–
–
–
–
– – –
–
–
–
++
+
++ ++ ++ ++ ++ ++ ++ ++ ++++ ++++++++
– – – – – – – – – – – – – – – – – – – – – –
– – – – – – – – – – – – – –
– – – – – – – – – – – –
– – – –
++ ++ ++ ++++++
++ ++
++ ++
++++ ++
++ ++ ++ ++ ++ ++
++++
++ ++ ++
++
Ground is safe!Ground is safe!
In the turbulent clouds, charges In the turbulent clouds, charges get separatedget separated
The ionized air can conduct the The ionized air can conduct the electrical currentelectrical current
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
SCIPPUC Santa Cruz
The Faraday CageThe Faraday Cage
++++ ++
++++
++ ++ ++ ++++++++
– – – – – – – – – – – – – – – – – – – –
– – – –
– –
++++++
++ ++++++
Are you Are you safesafe in an airplane in an airplane or a car during a lightning or a car during a lightning storm?storm?
Is it safe for the knight to Is it safe for the knight to be hit by the lightning be hit by the lightning bolt?bolt?
Yes!Yes! Electric current flows Electric current flows invisibly through the invisibly through the outsideoutside of the metal shell of the metal shell (Faraday Cage), not (Faraday Cage), not touching the people touching the people inside.inside.
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
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!
Even if he is NOT Even if he is NOT groundedgrounded
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
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
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
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
UC Santa Cruz Tesla at CrittendenUC Santa Cruz Tesla at Crittenden
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
Thanks to our hosts:Thanks to our hosts: Ms. SaxtonMs. Saxton All StudentsAll Students