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Scitoys Message BoardI need help with my Science Fair projectI have this great idea for a Science ToyI am a fan who wants to say "Hi!"I think it's terrible that you're teaching middle school ...I have this neat idea for a perpetual motion machineI am having trouble building one of the toys
Neat help with 2 thingsTrouble with pyrolytic graphiteHow do you get Supermagnets apart?POTENTIAL AND KINETIC ENERGYIs a transistor radio a regular radioA question about the Laser transmitter....Trouble with the steamboatQuestion with the radioGauss Gun QuestionThe laser gun thingyBlast! My film can cannon doesn't work!!!!!!!!The Computer Controlled TransmitterMy AM radio doesn't work as well as i need it toTrouble building the am radio transmitterGauss rifleVaccum is leakingAM TransmitterFranklin bell troubleQuestion about the transmitter oscillatorLaser CommunicatorLogic divider or TTL circuitOscillators at radioshack anymore???????Solar Cell - where to attach the wires?Van de graff motor shaftLaser Communicator!!! Amplifier????Vacuum pump10 minute railgunWould this workCannon sparker10 Minute Railgun problemsMy generator doesnt generateFranklin's BellsIs my cannon too hot/ does this happen a lot?Laser communicationPinhole reciever/transmitterVan De Graaff rubber band troubleHigh voltage motorTrying to make a Gauss Rifle...Preserving the laserRadio transmitter problems!!!More gauss gun problemsTrouble with the ion motor!Magnetohearological fluidProducing HydrogenFilm Can CannonFresnel lensCannon DimentionsLaser CommunicatorRadio helpPolariscopeMK484-1 AM Radio Integrated Circuit Crystal Radio questionIdea For vacume ,kitsElectro-Magnetic Gauss RifleIon Motor: Need more Power?AM Radio TransmitterPCBVan de Graaff generator part ideasUsing a crystal instead of an oscillator?Different Oscillator for Transmitter (Computer)Requesting assistance finding Platinum Coated Nickel Wire...Radio transmitterSolar Battery .10 radio Radio TransitterLaserProblem with Laser Pointer Audio TransmitterBoth transmitter projectsLaser communicator receiverHelp! Pc Transmitter Problem!Where can i get a one megahertz crystal oscillator Is there a crystal clock oscillator in anything i might haveVan de graaff ...styrofoam?Binaca?Film can cannon problemHydrogen fuel cellPlastic hydrogen bombradio transmitterTabbed piezoelectric ignitor...what brand?Copper tubing neededAM RADIO TRANSMITTERRADIO Piezoelectric earphone AM TransformerSpectroscopeHelp with Free Space Data Transmiter!!!!!!!Problems with Freespace Data Transmission!!!!! Help me FA...TrimerCredit cardTiny tesla coilThree penny radio not working....embarrasedAmperemeterLaser pointerWeird ProblemSERIAL PORT MORSE CODE TROUBLEIC Amplifier...AM Transmitter very quietElectric "Rat Zapper"Speaker 'Disrupter'?Film Can Spark.Modification to Crystal RadioAM transmitterQuestionFree space laser data transmitter questionComputer Controlled TransmitterÖscillatorGauss rifle won't work!AM/computer controlled transmitterCan't separate the magnets for the gauss rifle -- argh!OscillatorsHow do I use the piezoelectric ingnitor purchased from th...3 cent radioNeed help finding a manufacturing companyOscillator substitute, again.RadioTaking 16 volts DC to 12 volts DC Homade electric fence chargfer that a a quick pulse.Radio GroundHomemade earpieceGauss gun questionAnti car theft Four wires from the ferrite core?OscillatorBismuth/Lead/Tin alloyBinaca replacement at high elevation?30 second motorHomemade OscilatorAmped X-Tal radioSolderingI need help with the simple crystal radio.OscillatorFilm can cannon air escaping and can meltingIgniter problemKelidocyclyeScience on stageLaser Communication ProjectWhat am I doing wrong with this radio?GalliumNew and need help, thank you!! (darlington transistor)...Variable capacitor identificationVacuum Pump low pressure?Problems with solar cell in laser receiverVacuum pumpGallium on glass?Magnetic GalliumMagnet arrangement?Magnets N42 or N50Gallium Tricks!!!Laser Communicator: Proper Voltage Range at Reciever?More Laser Communicator Questions...Induction heaterSteam BoatWierd problem with Laser Audio TransmitterFree Space Laser Data TransmiterAM Radio, Transmitter and IC ampCan i get a 3v that can light a led without any battery ?Simple AM transmitterFerrite coil Van de Graaff generatorConverting 12 volts DC to 11 volts DCElectro-carsA few questions about the AM transmitter..Using TV as capacitorSteam boat troublesComputer Controlled Transmiter with USB?Which makes salt water burns workSalt water burnsHelp with AM Transmitter ProjectCrystal oscillator helpMK 484-1 AM Radio Integrated Circuit !!!!!!!!!!!!!Hey simonTransistorsHOW TO USE A DIGITAL MULTIMETER?Railgun helpComputer Controlled Transmitter - High/Low giving rapid b...LM386 light seeking robot Portable Radio ProblemHAVING TROUBLE BUILDING CURIE EFFECT HEAT ENGINEPiezoelectric Earphone solar recieverElectromagnetic Gauss RifleTransmitting electricity using microwavesListening to Magnetism - Barkhausen effectMelting my own GalinstanCrystal Radio Help neededLaser communicator help
Maximum AM Transmitter RangeI have a neat modification to one of the toysDo you think this idea will work?I want you to add a new chemical to your "Ingredients" bo...| Topics | Last Day | Last Week | Tree View | Search | Help/Instructions | Program Credits | Administration |