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Glassing

Glassing is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Glassing rather than just read about it. In short: Glassing (or bottling in New Zealand) is a physical attack using a glass or bottle as a weapon. Glassings can occur at bars or pubs where alcohol is served and such items are readily available.

Glassing — main illustration
Glassing — illustration

Key takeaways

  • Glassing belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Glassing to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Glassing from memory before moving on to harder problems.

Reference excerpt

Glassing (or bottling in New Zealand) is a physical attack using a glass or bottle as a weapon. Glassings can occur at bars or pubs where alcohol is served and such items are readily available. The most common method of glassing involves the attacker smashing an intact glass vessel in the face of the victim, though it can also be smashed onto a surface, then gripped by the remaining base of the glass or neck of the bottle with the broken shards protruding outwards and used in a manner similar to a knife. Common injuries resulting from glassings are heavy blood loss, permanent scarring, disfigurement and loss of sight through ocular injury. In the United Kingdom, there are over 5,000 injuries per year. Glassing is a relatively small portion of all alcohol-related violence, constituting 9% of injuries from alcohol-related violence in New South Wales, from 1999 to 2011, for instance. A step to prevent glassing before it happens is to produce bottles utilizing plastic instead, which cannot shatter into jagged pieces, and has the advantage of being closed using a screw cap to retain a drink's carbonation. But in practice, the use of plastic is thought of as making an alcoholic drink look "downmarket", as many discount brands of liquor use plastic rather than glass and the liquor industry has not switched higher-end brands to plastic, and the latter is thought of as a higher-end container. A filled plastic bottle can also be used as a blunt instrument which causes just as much danger and injury as a glassing. This was seen in a riotous incident which took place during a National Football League game in Cleveland, Ohio in 2001 where plastic beer bottles thrown by angry fans became blunt missiles, and which was known as the "Bottlegate" game. The incident effectively ended any further serious marketing of mass-market beer in plastic bottles. Alcoholic drinks can be served in tempered glasses instead of traditional glassware, which results in a broken glass breaking into safer chunks unable to be weaponized, but is more costly to purchase for bars and pubs.

Tempered glass as policy response

Australia At least three states in Australia are addressing glassing incidents by introducing regulations for liquor-licensed venues:

New South Wales introduced many restrictions in 2008, including the removal of glass after midnight for high-risk venues. This has resulted in a significant reduction in the number of glassings. In 2011, the government of Western Australia made recommendations to the state hospitality industry on the use of tempered glass in hotels in response to glassing violence. The state government and the Australian Hotels Association created a self-regulatory program on the rollout of tempered glass in pubs, with most hotels and bars expected to change over to tempered beer glasses in six to 12 months. Royal Perth Hospital's head of plastic surgery Mark Duncan-Smith described it as an important step in protecting the public. In Queensland, in response to continuing glassing incidents despite limited glass bans, state Liquor Licensing Minister Paul Lucas predicted in 2011 that almost all Queensland pubs and clubs would be (standard) glass-free in 10 years.

United Kingdom In 2000, following a series of glassing attacks in Manchester, Greater Manchester Police and the Manchester Evening News launched a campaign Safe Glass Safe City promoting the use of toughened glass in pubs and clubs to prevent such attacks.

References

Further reading "Surgeon on glass bottle "weapon"". BBC News. 2003-10-24. "Glassed". Risky Single Occasion Drinking. BBC News. Archived from the original on June 17, 2005. Brian Ferguson (2006-01-03). "Bars face glass ban in violence crackdown". Edinburgh Evening News. The Scotsman.

Illustrations

Glassing: A broken bottle for glassing.
A broken bottle for glassing.

Worked examples

Example 1 — a first encounter with Glassing

Start with the simplest possible case. Write down what Glassing claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Glassing before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Glassing ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Glassing

In research
Glassing appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Glassing in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Glassing is common in secondary-school and first-year university syllabi. It links to neighbouring topics Assault, Glass applications, Improvised weapons, so understanding it makes those chapters shorter.
In everyday life
Look for Glassing outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.
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How to study Glassing in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Glassing means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Glassing out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Glassing in simple terms?

Glassing (or bottling in New Zealand) is a physical attack using a glass or bottle as a weapon. Glassings can occur at bars or pubs where alcohol is served and such items are readily available.

Why does Glassing matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Glassing?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Glassing.

Tags

  • Assault
  • Glass applications
  • Improvised weapons

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