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Creating a battery from a lemon is a common project in many science text books. Successfully creating one of these devices is not easy.
Batteries consist of two different metals suspended in an acidic solution. Copper and Zinc work well as the metals and the citric acid content of a lemon will provide the acidic solution.
Batteries like this will not be able to run a motor or energize most light bulbs. It is possible to produce a dim glow from an LED.
The lemon: A large, fresh, "juicy" lemon works best.
The nail: Galvanized nails are coated in zinc. I used a 2" galvanized common nail.
The penny: Any copper coin will work. (Canadian pennies from 1960 - 2001 all worked)
Creating the battery: Insert a penny into a cut on one side of the lemon. Push a galvanized nail into the other side of the lemon.
The nail and penny must not touch.
This is a single cell of a battery. The zinc nail and the copper penny are called electrodes. The lemon juice is called electrolyte.
All batteries have a "+" and "-" terminal. Electric current is a flow of atomic particles called electrons. Certain materials , called conductors, allow electrons to flow through them. Most metals (copper, iron) are good conductors of electricity. Electrons will flow from the "-" electrode of a battery, through a conductor, towards the "+" electrode of a battery. Volts (voltage) is a measure of the force moving the electrons. (High voltage is dangerous!)
I have connected a volt meter to our single cell lemon battery. The meter tells us this lemon battery is creating a voltage of 0.906 volts.
Unfortunately this battery will not produce enough current (flowing electrons) to light a bulb.
To solve this problem we can combine battery cells to create higher voltages. Building more lemon batteries and connecting them with a metal wire from "+" to "-" adds the voltage from each cell.
The two lemon batteries above, combine to produce a voltage of 1.788 volts. This combination still does not create enough current to light a small bulb. Note the red wire connecting the batteries is joined from "+" (penny) to "-" (galvanized nail).
Four lemon batteries create a voltage of 3.50 volts. We should be able to light up a small device like an LED (Light Emitting Diode).
Note the connecting wires go from "+" to "-" on each battery.
To turn on an LED you must determine the "+" and "-" connections. If you look closely at the red plastic base of an LED you will notice a "flat" spot (indicated by arrow above). The wire that comes out beside the flat spot must connect to the "-" side of a battery, the other wire to the "+" side.
Important information about LEDs: LEDs are designed to work at very low voltages (~ 2V) and low currents. They will be damaged if connected to batteries rated at over 2 volts. LEDs require resistors to control current when used with batteries rated at over 2 volts. Lemon batteries produce low current. It is OK to connect an LED to a lemon battery.
In the above image, electrons flow from the "-" (nail) end of our lemon battery through the LED (making it glow) then back to the "+" (penny) end of the battery. This is an electronic circuit. The LED glows dimly with this configuration.
Improving your battery.
The quality of the copper and zinc can be a problem for a battery like this. Pennies in particular are rarely pure copper.
Try substituting a length of 14 gauge copper wire (common house wire) for the penny. Experiment with different lengths and configurations of electrodes. Other sources of zinc and copper may be found in the plumbing supply department of a hardware store.
Build a Lemon Battery - Google Video >>
Read more >>
Batteries consist of two different metals suspended in an acidic solution. Copper and Zinc work well as the metals and the citric acid content of a lemon will provide the acidic solution.
Batteries like this will not be able to run a motor or energize most light bulbs. It is possible to produce a dim glow from an LED.
The lemon: A large, fresh, "juicy" lemon works best.
The nail: Galvanized nails are coated in zinc. I used a 2" galvanized common nail.
The penny: Any copper coin will work. (Canadian pennies from 1960 - 2001 all worked)
Creating the battery: Insert a penny into a cut on one side of the lemon. Push a galvanized nail into the other side of the lemon.
The nail and penny must not touch.
This is a single cell of a battery. The zinc nail and the copper penny are called electrodes. The lemon juice is called electrolyte.
All batteries have a "+" and "-" terminal. Electric current is a flow of atomic particles called electrons. Certain materials , called conductors, allow electrons to flow through them. Most metals (copper, iron) are good conductors of electricity. Electrons will flow from the "-" electrode of a battery, through a conductor, towards the "+" electrode of a battery. Volts (voltage) is a measure of the force moving the electrons. (High voltage is dangerous!)
I have connected a volt meter to our single cell lemon battery. The meter tells us this lemon battery is creating a voltage of 0.906 volts.
Unfortunately this battery will not produce enough current (flowing electrons) to light a bulb.
To solve this problem we can combine battery cells to create higher voltages. Building more lemon batteries and connecting them with a metal wire from "+" to "-" adds the voltage from each cell.
The two lemon batteries above, combine to produce a voltage of 1.788 volts. This combination still does not create enough current to light a small bulb. Note the red wire connecting the batteries is joined from "+" (penny) to "-" (galvanized nail).
Four lemon batteries create a voltage of 3.50 volts. We should be able to light up a small device like an LED (Light Emitting Diode).
Note the connecting wires go from "+" to "-" on each battery.
To turn on an LED you must determine the "+" and "-" connections. If you look closely at the red plastic base of an LED you will notice a "flat" spot (indicated by arrow above). The wire that comes out beside the flat spot must connect to the "-" side of a battery, the other wire to the "+" side.
Important information about LEDs: LEDs are designed to work at very low voltages (~ 2V) and low currents. They will be damaged if connected to batteries rated at over 2 volts. LEDs require resistors to control current when used with batteries rated at over 2 volts. Lemon batteries produce low current. It is OK to connect an LED to a lemon battery.
In the above image, electrons flow from the "-" (nail) end of our lemon battery through the LED (making it glow) then back to the "+" (penny) end of the battery. This is an electronic circuit. The LED glows dimly with this configuration.
Improving your battery.
The quality of the copper and zinc can be a problem for a battery like this. Pennies in particular are rarely pure copper.
Try substituting a length of 14 gauge copper wire (common house wire) for the penny. Experiment with different lengths and configurations of electrodes. Other sources of zinc and copper may be found in the plumbing supply department of a hardware store.
Build a Lemon Battery - Google Video >>
Read more >>
Today I want to present you the version 2 of my Football-Wallpapers.com site. I opened this site a year ago with an idea to became the biggest football wallpapers links directory, but the whole concept of the site was wrong, so I decided to re-open the site and put some original wallpapers on it, because that is what people need, not some stupid links directory site, right? Beside football walls you can also find screensavers, avatars, emoticons, ringtones, play flash games... bla bla bla... you know... football stuff. If you mean that the football I'm talking about is NFL then you're wrong. The football, in this case, means soccer! Now go to the site and download some damn wallpapers for your desktop XD XD XD Read more >>
Does the sudden appearance of a Firefox crop circle imply which browser extraterrestrials prefer? We don't know, but it was still fun to make!
Constructed by local Firefox fans and the same team that created the Firefox mural from cornstarch and kool-aid and launched the Firefox weather balloon, the Firefox Crop Circle project shows that we have so much passion for Firefox that we want it to be visible from space!
Planned in under two weeks and completed in under 24 hours, the crop circle had a final diameter of 220 feet. We constructed the circle in an oat field near Amity, Oregon, where it was completely invisible from the road but unmistakable from the sky. Our team consisted of 12 people, mainly OSU students, and we carefully stomped down oats from 3:30pm Friday afternoon until 2:30am, putting on the finishing touches between 7:30am and 11:00am Saturday, August 12.
Matt and John, Mozilla video interns, came up with the idea a few weeks beforehand. Fueled by the enthusiasm of Asa Dotzler at Mozilla, suddenly the crop circle was within reach. While at OSCON 2006 in Portland, the three of them ran into members of the OSLUG, and things really started to take shape.
Official Site >>
Read more >>
Constructed by local Firefox fans and the same team that created the Firefox mural from cornstarch and kool-aid and launched the Firefox weather balloon, the Firefox Crop Circle project shows that we have so much passion for Firefox that we want it to be visible from space!
Planned in under two weeks and completed in under 24 hours, the crop circle had a final diameter of 220 feet. We constructed the circle in an oat field near Amity, Oregon, where it was completely invisible from the road but unmistakable from the sky. Our team consisted of 12 people, mainly OSU students, and we carefully stomped down oats from 3:30pm Friday afternoon until 2:30am, putting on the finishing touches between 7:30am and 11:00am Saturday, August 12.
Matt and John, Mozilla video interns, came up with the idea a few weeks beforehand. Fueled by the enthusiasm of Asa Dotzler at Mozilla, suddenly the crop circle was within reach. While at OSCON 2006 in Portland, the three of them ran into members of the OSLUG, and things really started to take shape.
Official Site >>
Read more >>
Today I was trying to register with youtube but without success. I was only getting this message: "Sorry. Based on the information you have submitted to us, you are ineligible to register for YouTube.com". So I Googled a little and found this information on Yahoo Answers posted by Sappho:I just read through the Terms of Service, and as long as you are over 18 years of age you should have no trouble signing up. Double-check to make sure you put in your age right, and that you have not signed up with this e-mail address before. If it still gives you trouble, try a different username. Usually if a username is taken, the site will tell you so, but perhaps YouTube hasn't programmed their site to do so. There is nothing in their TOS that indicates that anyone from a particular region is ineligible to register, so your location shouldn't be a factor.
If you try all of this again and are still having problems, I would contact YouTube customer service. There may be a problem with the system.
My problem was that the username I was trying to register with is taken by someone, but instead that YouTube gave me the reason of the error, I was redirected to this page http://www.youtube.com/signup_copa ;)
I simply changed the username and I registered without problems :D Read more >>
satisfaction guaranteed seals. you probably saw them when you were visiting hosting or shopping sites. i don't know why, but i like these small (or big) seals. i decided to share with you my collection, and here it is - a collection of 60 satisfaction guaranteed seal images i collected on the web. all images are in gif format with transparent background so they looks good on light backgrounds (white, light gray, yellow and any other light color).
Read more >>
Read more >>
C.O.S.H.H. REGULATIONS 1988
HAZARDOUS MATERIALS DATA SHEET
CHEMICAL ANALYSIS
Substance: Woman
Symbol: W02
Discoverer: Adam
Atomic Mass: Accepted as 55 Kg, but there are known isotopes ranging from 45 Kg to 225 Kg
Occurrence: Large quantities in urban areas, with traces found in most other areas
PHYSICAL PROPERTIES
1. Surface normally covered in powder and paint film (thickness variable according to age)
2. Aromatic odour.
3. Boils at nothing, freezes for no apparent reason.
4. Melts if given appropriate treatment.
5. Yields if pressure applied in the correct manner, explodes if stressed excessively.
6. Bitter if used incorrectly, may become sour with age, can sometimes be sweetened up.
7. Found in various grades, ranging from virgin material to common ore, pure specimens are relatively uncommon..
CHEMICAL PROPERTIES
1. Great affinity to Gold (Au), Silver (Ag), Platinum (Pt) and all precious stones.
2. Capable of absorbing great quantities of expensive substances.
3. Liable to explode spontaneously, without warning or reason.
4. May explode spontaneously if left alone with a male.
5. Softens and takes on a rosy glow when soaked in hot water.
6. Insoluble in liquids, but greatly increased activity when saturated in alcohol.
7. The most powerful money reducing agent known to man.
COMMON USES
1. Highly ornamental - especially in sports cars.
2. Can be a great aid to relaxation.
TESTS
1. Pure specimens turn bright pink when discovered in the natural state.
2. Turns green when placed alongside a superior specimen.
HAZARDS
1. Highly volatile and dangerous except in experienced hands (highly dangerous in inexperienced hands)
2. Delicate handling required.
3. Illegal to possess more than one permanent specimen (great care must be taken when handling multiple specimens).
4. May begin to swell if suitable handling precautions are not taken.
CONTAMINATION PROCEDURE
1. If contaminated, the services of a skilled lawyer must be sought.
C.O.S.H.H. REGULATIONS 1988
HAZARDOUS MATERIALS DATA SHEET
CHEMICAL ANALYSIS
Substance: Man
Symbol: M+ (Free radical most desirable)
Discoverer: Eve
Atomic Mass: Accepted as 65 Kg, but there are known isotopes ranging from 55 Kg to 115 Kg
Occurrence: Large quantities in urban areas, with traces found in most other areas
PHYSICAL PROPERTIES
1. Surface normally covered in grease and fur oxidase except at apex of specimen
2. Surface liable to tarnish, stain and attract dirt.
3. Pungent or stale odour.
4. Usually inert, but correct stimulus can promote a reaction.
5. Yields if pressure applied in the correct manner, explodes under strain.
6. Bitter if used incorrectly, sours with age but can sometimes be sweetened up.
7. Found in various grades, ranging from virgin grade to base material, but pure specimens hard to find nowadays.
8. Not one of the ‘noble elements’ (usually found in combination with Woman).
CHEMICAL PROPERTIES
1. Great affinity to alcohol (ethanol).
2. Capable of liberating quantities of expensive substances if treated correctly.
3. May explode spontaneously if left alone with a female.
4. Softens and wilts when soaked in hot water, greater rigidity at cooler temperatures.
5. Insoluble in liquids, especially inert after saturation in alcohol (athough this state is preceded by an initial and noisy period of increased activity).
6. The most powerful money producing agent known to woman. High valency - capable of multiple bonds with Woman.
COMMON USES
1. Highly ornamental - especially during Match of the Day or Formula One racing.
2. Can be a great aid to relaxation.
TESTS
1. Pure specimens turn pale and shrivel when discovered in the natural state.
2. Behaves erratically when placed alongside a superior specimen.
3. Localised expansion and rigidity when excited.
HAZARDS
1. Dangerous in inexperienced hands - unpredictable when activated
2. Illegal to possess more than one permanent specimen (great care must be taken when handling multiple specimens).
3. May induce swelling if suitable handling precautions are not taken.
CONTAMINATION PROCEDURE
1. If contaminated, the services of a skilled lawyer must be sought. Read more >>
HAZARDOUS MATERIALS DATA SHEET
CHEMICAL ANALYSIS
Substance: Woman
Symbol: W02
Discoverer: Adam
Atomic Mass: Accepted as 55 Kg, but there are known isotopes ranging from 45 Kg to 225 Kg
Occurrence: Large quantities in urban areas, with traces found in most other areas
PHYSICAL PROPERTIES
1. Surface normally covered in powder and paint film (thickness variable according to age)
2. Aromatic odour.
3. Boils at nothing, freezes for no apparent reason.
4. Melts if given appropriate treatment.
5. Yields if pressure applied in the correct manner, explodes if stressed excessively.
6. Bitter if used incorrectly, may become sour with age, can sometimes be sweetened up.
7. Found in various grades, ranging from virgin material to common ore, pure specimens are relatively uncommon..
CHEMICAL PROPERTIES
1. Great affinity to Gold (Au), Silver (Ag), Platinum (Pt) and all precious stones.
2. Capable of absorbing great quantities of expensive substances.
3. Liable to explode spontaneously, without warning or reason.
4. May explode spontaneously if left alone with a male.
5. Softens and takes on a rosy glow when soaked in hot water.
6. Insoluble in liquids, but greatly increased activity when saturated in alcohol.
7. The most powerful money reducing agent known to man.
COMMON USES
1. Highly ornamental - especially in sports cars.
2. Can be a great aid to relaxation.
TESTS
1. Pure specimens turn bright pink when discovered in the natural state.
2. Turns green when placed alongside a superior specimen.
HAZARDS1. Highly volatile and dangerous except in experienced hands (highly dangerous in inexperienced hands)
2. Delicate handling required.
3. Illegal to possess more than one permanent specimen (great care must be taken when handling multiple specimens).
4. May begin to swell if suitable handling precautions are not taken.
CONTAMINATION PROCEDURE
1. If contaminated, the services of a skilled lawyer must be sought.
C.O.S.H.H. REGULATIONS 1988
HAZARDOUS MATERIALS DATA SHEET
CHEMICAL ANALYSIS
Substance: Man
Symbol: M+ (Free radical most desirable)
Discoverer: Eve
Atomic Mass: Accepted as 65 Kg, but there are known isotopes ranging from 55 Kg to 115 Kg
Occurrence: Large quantities in urban areas, with traces found in most other areas
PHYSICAL PROPERTIES
1. Surface normally covered in grease and fur oxidase except at apex of specimen
2. Surface liable to tarnish, stain and attract dirt.
3. Pungent or stale odour.
4. Usually inert, but correct stimulus can promote a reaction.
5. Yields if pressure applied in the correct manner, explodes under strain.
6. Bitter if used incorrectly, sours with age but can sometimes be sweetened up.
7. Found in various grades, ranging from virgin grade to base material, but pure specimens hard to find nowadays.
8. Not one of the ‘noble elements’ (usually found in combination with Woman).
CHEMICAL PROPERTIES
1. Great affinity to alcohol (ethanol).
2. Capable of liberating quantities of expensive substances if treated correctly.
3. May explode spontaneously if left alone with a female.
4. Softens and wilts when soaked in hot water, greater rigidity at cooler temperatures.
5. Insoluble in liquids, especially inert after saturation in alcohol (athough this state is preceded by an initial and noisy period of increased activity).
6. The most powerful money producing agent known to woman. High valency - capable of multiple bonds with Woman.
COMMON USES
1. Highly ornamental - especially during Match of the Day or Formula One racing.
2. Can be a great aid to relaxation.
TESTS
1. Pure specimens turn pale and shrivel when discovered in the natural state.
2. Behaves erratically when placed alongside a superior specimen.
3. Localised expansion and rigidity when excited.
HAZARDS
1. Dangerous in inexperienced hands - unpredictable when activated
2. Illegal to possess more than one permanent specimen (great care must be taken when handling multiple specimens).
3. May induce swelling if suitable handling precautions are not taken.
CONTAMINATION PROCEDURE
1. If contaminated, the services of a skilled lawyer must be sought. Read more >>
A gallery of 28 funny, cool and amazing light bulb pictures.
A model ship inside a light bulb
A model ship inside a light bulb, made by Dashwood-Howard
Snowman Light Bulb
Snowman Head Light Bulb made from a globe bulb
Elf Light Bulb
Dog Light Bulbs
Cow Light Bulb
Caroler Light Bulb
Christmas Light bulb Angels
Alien Black Light Bulb
Black Light Bulb
Canadian Light Bulb
Chocolate Light Bulb
Light Bulb Lollipop
Glass Light Bulb Candy Jar
This clever jar can be filled with mouth-watering jellybeans or other delicious treats. It's also ideal for storing paperclips and other desktop necessities. Gold foil label can be engraved with your personal message.
Crucifix and Cross Light Bulb
6" tall, 3 1/4" wide at the base (bulb is 2 3/4" wide). Cross decorated with painted flowers, a ladder, a spear, and a banner with INRI. A beautifully carved and painted figure of Christ on the cross. The base is made of stepped layers of wood, painted black and silver.
Light bulb aquarium
Exploding light bulb
A floating glass shelf on glass set. Cyanoacrylate ester (Super Glue) kept the shards of glass from rolling away. Baby powder was used for the "dust" in the explosion. A nice effect for a "still-life." No digital retouching. Original illustration for Institutional Investor Magazine.
Light Bulb, Oshawa, Ontario
Sealed Airballoon Light Bulb
A levitating wirelessly powered lightbulb
Lightbulb uses a special bulb, inside which magnets and circuitry are hidden. Using a magnetic hall effect sensor, an electromagnet, and a [modified] PD feedback system, it floats a lightbulb stably in the air, while power is transmitted wirelessly from the base of the sculpture into the bulb. LEDs in the bulb rectify this AC power and convert it to light. The power transfer functions very similarly to how radio station tuning works and requires a well tuned matched pair of resonant windings, but allows power transmission over through the air.
Oil lamp light bulb
Giant Light Bulb
Edison, Thomas A., February 1938.
This giant light bulb, 14 feet high, will surmount the $100,000 Edison Memorial Tower at Menlo Park, New Jersey, in commemoration of the invention of the incandescent electric light. The giant bulb was completed early in November at the Corning Glass Works where a crew of expert workers took eight months to finish the job. In preparing the bulb for shipment more than 6,000 pounds of Pyrex glass were fitted over a curved steel skeleton weighing three tons. When finally set up the bulb will be outfitted with 960 incandescent electric lights with a 24-inch reflector to be utilized as an airplane beacon.
World's Longest Continually Burning Lightbulb
Fire Station #6, 4550 East Avenue, Livermore, California, www.centennialbulb.org
Over a hundred years ago, a light bulb was installed in a fire station in Livermore, California and it has been burning continuously ever since. Well, almost. The bulb has been moved to new locations a few time. Photo by Dick Jones c/o the Centennial Bulb web site.
Lightbulb Plasma globe
1KW and 1500W lighbulbs on a tesla coil, the corona streamers from the filament structure snake around the inside of the glass very much like a plasma globe.
Tesla Light Bulb
Nikola Tesla holding a gas-filled phosphor-coated light bulb which was illuminated without wires by an electromagnetic field from a Tesla Coil
Read more >>
A model ship inside a light bulb
A model ship inside a light bulb, made by Dashwood-Howard
Snowman Light Bulb
Snowman Head Light Bulb made from a globe bulb
Elf Light Bulb
Dog Light Bulbs
Cow Light Bulb
Caroler Light Bulb
Christmas Light bulb Angels
Alien Black Light Bulb
Black Light Bulb
Canadian Light Bulb
Chocolate Light Bulb
Light Bulb Lollipop
Glass Light Bulb Candy Jar
This clever jar can be filled with mouth-watering jellybeans or other delicious treats. It's also ideal for storing paperclips and other desktop necessities. Gold foil label can be engraved with your personal message.
Crucifix and Cross Light Bulb
6" tall, 3 1/4" wide at the base (bulb is 2 3/4" wide). Cross decorated with painted flowers, a ladder, a spear, and a banner with INRI. A beautifully carved and painted figure of Christ on the cross. The base is made of stepped layers of wood, painted black and silver.
Light bulb aquarium
Exploding light bulb
A floating glass shelf on glass set. Cyanoacrylate ester (Super Glue) kept the shards of glass from rolling away. Baby powder was used for the "dust" in the explosion. A nice effect for a "still-life." No digital retouching. Original illustration for Institutional Investor Magazine.
Light Bulb, Oshawa, Ontario
Sealed Airballoon Light Bulb
A levitating wirelessly powered lightbulb
Lightbulb uses a special bulb, inside which magnets and circuitry are hidden. Using a magnetic hall effect sensor, an electromagnet, and a [modified] PD feedback system, it floats a lightbulb stably in the air, while power is transmitted wirelessly from the base of the sculpture into the bulb. LEDs in the bulb rectify this AC power and convert it to light. The power transfer functions very similarly to how radio station tuning works and requires a well tuned matched pair of resonant windings, but allows power transmission over through the air.
Oil lamp light bulb
Giant Light Bulb
Edison, Thomas A., February 1938.
This giant light bulb, 14 feet high, will surmount the $100,000 Edison Memorial Tower at Menlo Park, New Jersey, in commemoration of the invention of the incandescent electric light. The giant bulb was completed early in November at the Corning Glass Works where a crew of expert workers took eight months to finish the job. In preparing the bulb for shipment more than 6,000 pounds of Pyrex glass were fitted over a curved steel skeleton weighing three tons. When finally set up the bulb will be outfitted with 960 incandescent electric lights with a 24-inch reflector to be utilized as an airplane beacon.
World's Longest Continually Burning Lightbulb
Fire Station #6, 4550 East Avenue, Livermore, California, www.centennialbulb.org
Over a hundred years ago, a light bulb was installed in a fire station in Livermore, California and it has been burning continuously ever since. Well, almost. The bulb has been moved to new locations a few time. Photo by Dick Jones c/o the Centennial Bulb web site.
Lightbulb Plasma globe
1KW and 1500W lighbulbs on a tesla coil, the corona streamers from the filament structure snake around the inside of the glass very much like a plasma globe.
Tesla Light Bulb
Nikola Tesla holding a gas-filled phosphor-coated light bulb which was illuminated without wires by an electromagnetic field from a Tesla Coil
Read more >>
because i'm a big fan of cartman and south park, i made 10 cartman avatars which you can use in forums, blogs... all avatars are in gif format and in 100x100px dimensions. enjoy :P
cartman avatar #1 - cartman
cartman avatar #2 - respect my authoritah!
cartman avatar #3 - ay! get your bi*ch-ass back in the kitchen and bake me some pie!
cartman avatar #4 - sc*ew you guys. i'm going home.
cartman avatar #5 - sweet!
cartman avatar #6 - cartman and usa flag
cartman avatar #7 - green cartman
cartman avatar #8 - cartman :o
cartman avatar #9 - fu
cartman avatar #10 - angry cartman
copyright (c) ava7.com. all rights reserved. you are allowed to use these avatars as your forum avatar, but if you want to put them all on your site then you must put a link back to my site!
Read more >>
cartman avatar #1 - cartman
cartman avatar #2 - respect my authoritah!
cartman avatar #3 - ay! get your bi*ch-ass back in the kitchen and bake me some pie!
cartman avatar #4 - sc*ew you guys. i'm going home.
cartman avatar #5 - sweet!
cartman avatar #6 - cartman and usa flag
cartman avatar #7 - green cartman
cartman avatar #8 - cartman :o
cartman avatar #9 - fu
cartman avatar #10 - angry cartman
copyright (c) ava7.com. all rights reserved. you are allowed to use these avatars as your forum avatar, but if you want to put them all on your site then you must put a link back to my site!
Read more >>
i made today in photoshop this double optical illusion for all of you OI fans out there. :p so, can you find 2 optical illusions in this pic? no? ok i'll help you. question #1: are the horizontal lines parallel? question #2: are the blue squares waving and moving from the center? please comment.
copyright (c) ava7.com. all rights reserved. don't steal and put this optical illusion on your site without my permission or without linking back to this site. Read more >>
copyright (c) ava7.com. all rights reserved. don't steal and put this optical illusion on your site without my permission or without linking back to this site. Read more >>