science

Techreturns

Techreturns 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 Techreturns rather than just read about it. In short: Techreturns Nederland BV (2009-2014) was a Dutch company founded with the aim to reduce electronic waste by buying used electronics, especially mobile phones, from consumers and companies to repair them and give them a second life. Techreturns was founded in Amsterdam in 2009.

Key takeaways

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

Reference excerpt

Techreturns Nederland BV (2009-2014) was a Dutch company founded with the aim to reduce electronic waste by buying used electronics, especially mobile phones, from consumers and companies to repair them and give them a second life. Techreturns was founded in Amsterdam in 2009. It was member of Social Enterprise Nederland, an organization that supports social enterprises. Techreturns was declared bankrupt in December 2014. Some clients choose to donate mobile phone through organisations such as Masterpeace and Artis Zoo. Techreturns sold the second hand devices mainly in Asia and Africa where there is a market for affordable, quality electronics. Sales also took place in Europe, especially in the Netherlands through its sister company BeatsNew. Techreturns was connected to Closing the Loop a foundation collecting e-waste in developing countries for recycling. Involved in this project were also the organisations Fairphone and Text to Change. Techreturns appeared multiple times in the Dutch media, for instance in a discussion about sustainability initiatives by the Dutch government, an annual summary of Dutch sustainable businesses 2013 by MVO Netherlands and in the consumer television programme Kassa on 14-01-14 in a segment about reuse versus recycling in the electronic industry.

References

Worked examples

Example 1 — a first encounter with Techreturns

Start with the simplest possible case. Write down what Techreturns 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 Techreturns 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 Techreturns 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 Techreturns

In research: Techreturns 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 Techreturns 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: Techreturns is common in secondary-school and first-year university syllabi. It links to neighbouring topics Electronic waste, so understanding it makes those chapters shorter.
In everyday life: Look for Techreturns 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 Techreturns in 20 minutes

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

Frequently asked questions

What is Techreturns in simple terms?

Why does Techreturns 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 Techreturns?

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 Techreturns.