UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Careers of People in Science: Issues of Power and Control

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Santa Cruz Institute for Particle Physics SCIPP n Prof. David Dorfan, Chair Physics Dept. Your Guests today UC Santa Cruz Department of Physics n Dr. Charlie Crummer, Laboratory Manager n Dr. Felix Rosenbaum, post-doc n (soon Dr.) Teela Pulliam, grad. Student n Colleen Milbury, Senior n Kamal Prasad, Senior n Brian Keeney, Junior

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Teaching, Research, Outreach Elementary Particle Physics Condensed Matter Physics & Wave Propagation Particle Astrophysics & Cosmology Teacher Programs

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Galaxy DNA Cell Atom Nucleus Electron microscope Accelerator SCIPP’s Research extends from the smallest particles to the largest structures in the Universe

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Graduate and Undergraduate Students conduct research in the SCIPP Laboratories …and have fun visiting SLAC

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Program n Introduction & Jacob's Ladder n Safety First n Corona: –Zorro’s Sword –Lights without Cords n Facts on Lightning n Facts on Tesla Coil n Mystery Knight in Armor –Fighting Lightning –Bolt to the face –Sparks from the feet n Any Questions ?

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz n Normally you can't see, hear or smell electricity, but the Tesla Coil makes Bright sparks Bright sparks Loud crackling noise Loud crackling noise The air smell bad (Ozone The air smell bad (Ozone SAFETY FIRST! BRACE YOURSELF! 1 Million Volts! DANGER n Distance at least 20 ft. n Computers, Gameboys, CD players, telephones to the back of the room – unplugged, switched off! n Hearing aids off, pacemakers out of room

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz ZorroZorro

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Lightning Jacob’s Ladder Corona Tesla Sparks are all related. Lightning Jacob’s Ladder Corona Tesla Sparks are all related. Principle:Air becomes ionized, and therefore conducts electricity. Lot’s of it, so the current heats up the air, excites the atoms/molecules which emit light.

UC Santa Cruz Tesla at UCB SCIPP UC 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 !

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Two important concepts: n Lightning n The Faraday Cage

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz How lightning works – – – – – – – – – – –– – – – –– – – – – – – – – – – – – – – – – –– – – – – – –

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz The Faraday Cage Why aren't air planes in grave danger being so close to the clouds and all? –– – – – – – –– – – – – Safest place during a lightning storm is in a plane or car because it is a Faraday Cage Answer: They form a Faraday Cage i.e., they are surrounded by metal; if you are surrounded by metal you are safe the electricity flows around the outside

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Thomas “DC” Edison Thomas “DC” Edison Nicola “AC” Tesla vs. n Tesla Revival n 271 web sites are dedicated to Nicola Tesla n Join the “Tesla Coil Web Ring”

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Voltage starts at 120 ends up at 1 million! Transformer 14,000 volt Outlet 120 volt Resonance circuit 1 million volt Ask your teachers about details! Principle of the Tesla Coil

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz n Nicola Tesla as a Daredevil? n Double Exposure makes it safe!

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Physics Principle: Transformer Power out = Power in Power = Volt  Current Power out = Power in Power = Volt  Current Power Where have you seen this before? Power

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Transformation of Energy GLAST SLAC n Similar to the Tesla Coil, accelerators convert energy into new forms –Visit the Stanford Linear Accelerator Center (SLAC): Electricity -> New particles –SCIPP works on BaBar : why we are made out of matter In Space in black holes: In Space in black holes: – Matter -> Light, x-rays, “jets” – SCIPP works on GLAST Mission: discover the most powerful accelerators in the universe discover the most powerful accelerators in the universe

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Physics Principle: Resonance Amplitude = Force M (f 2 natural – f 2 force ) A kick at the right frequency builds up and gets you sky-high!

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Mystery Knight Fighting Lightning Bolt to the Head Sparks from the feet

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Electrical current flows on the OUTSIDE of a metal! Is Teela ok?Let’s check! The armored suit is safe! n It's a Faraday Cage – no electric field allowed inside Is Teela ok?Let’s check! The armored suit is safe! n It's a Faraday Cage – no electric field allowed inside Invisible current Visible sparks Ground 1 Million Volt Visible sparks

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Fysiks is Phun! Questions? Ask after the show, , visit… You find our coordinates on the web

UC Santa Cruz Tesla at UCB SCIPP UC Santa Cruz Say “Good bye” to Daniel Greenhouse, the brain behind the sparks He is an undergraduate at UC Santa Cruz. at UC Santa Cruz. Thanks to our hosts: n All you students n Anne MacLachlan