Wear eye protection throughout.The bang is not loud enough for students or the teacher to need to protect their ears. EDMONTON — Edmonton police say they’ve arrested a 24-year-old suspect after a man pointed what turned out to be a machine gun-shaped liquor bottle at an officer conducting a traffic stop Friday night.Around 11 p.m., police say a second officer noticed a man in a nearby house pointing what looked like a long barreled gun at the officer doing the traffic stop.

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If using EHT to fire the gun, after launch, switch off the mains. Do NOT touch any wiring or make adjustment if the voltmeter is still registering a voltage. To fire again the air in the bottle must be replenished by removing the sparking assembly and blowing through the bottle. It may be necessary to dry the sparking assembly with a tissue. The class will need to be seated at a safe distance from the demonstration, while maintaining a good view of what is happening. Equipment ApparatusIf you are reading this and you live in Canada… it’s not a good idea to point a bottle of either one of these at the police. You will be arrested. Insert the cork gently in the mouth of the bottle, ensure the bottle is securely clamped, and fire the ‘gun’ by turning up the EHT voltage or squeezing the piezoelectric lighter – the latter may have to be pressed several times before the mixture ignites. There will be a bang, and the cork will be fired a distance up to 5 m. The bottle would definitely be a neat collectors item. A google search yeilds no clear results on the price or where it’s available stateside. Ethanol (IDA, industrial denatured alcohol), CH 3 CH 2 OH(l),(HIGHLY FLAMMABLE, HARMFUL) – see CLEAPSSHazcard HC040A. Do NOT use any other alcohol other than ethanol (IDA). In this ‘alcohol gun’ experiment, students observe what happens when a mixture of ethanol vapour and air is ignited using an electric spark inside a corked plastic bottle. The resulting minor explosion fires the cork across the room.

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The demonstration can provide a useful illustration of the principle behind the internal combustion engine. It needs careful pre-lesson preparation, but only takes five minutes to perform. The flash of the explosion can be seen if the room is darkened and is more easily seen if the bottle is transparent Police then discovered that it wasn’t a real weapon that had been pointed at the officer – it was a liquor bottle made in the shape of a gun. Squirt 1 cm 3 of ethanol into the bottle. Shake to ensure vaporisation of the alcohol and mixing of the vapour with air. Do NOT enrich the atmosphere with oxygen. Remember the Champagne Gun? You know, that toy that turned an erstwhile regular bottle of sparkling wine into an alcohol-powered Super Soaker. It’s awesome and all, but taking up both hands sure isn’t fun when you’re trying to enjoy yourself at a party. The Bubble Blaster offers a one-handed alternative.It comes in a cardboard box, with a wooden carrying case inside (pictured). The bottle itself contains 1 liter of vodka, and attached is a dog tag with a number (1-13000) representing the ID number of your bottle. define the terms exothermic and endothermic and understand that chemical reactions are usually accompanied by heat changes;