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Derek Walsh

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    articles

About Derek Walsh

Derek is a business and technology writer based in Dublin, Ireland.

Latest Articles

What Is Graphene? 7 Ways It Will Soon Revolutionize Tech

There's been a lot of talk about graphene over the past few years. But what is it exactly? And why are people so excited about it? Why should you care?

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Why the Heck Were Samsung's Batteries Exploding Anyway?

Over 30 different Samsung Galaxy Note 7 phones exploded. Why was it happening? And do you have anything to worry about with your own phone? Here's everything you need to know.

lighting-save-money
How LED Lighting Can Save You a Boatload of Money

Light-emitting diodes (LEDs) are now among the most energy-efficient lighting technologies, but just how much can you expect to save? And is it really worth switching?

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Wi-Fi Spectrum Crunch: How to Beat Slow Speeds in Crowded Areas

Now that Wi-Fi is so ubiquitous, spectrum crunch is becoming a real and growing issue -- but it looks like MIT researchers may have found a solution to it.

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How Star Trek Predicted the Future We Now Live In

Faster-than-light travel may be a long way off, but Star Trek still successfully predicted the future we now live in.

mortgage-calculator
Best Online Mortgage Calculators & How to Use Them

Figuring out how much a mortgage will cost you in the long run can be hard, but these calculators make it easy, no matter how much information you have.

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8 Effective Ways to Boost Your Cellphone Signal

If you're ever in a position where you aren't getting enough reception, here are some tips you can use -- some easy, some not so easy -- to boost your signal.

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7 Reasons Why You Still Need a Tablet This Year

Some say that the era of tablets is over, but that's quite far from the truth. Tablets are still useful in several different ways and their value should not be overlooked.

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Why Call Centers Always Make You Wait Forever

Everyone hates being put on hold. Why does it take so long to be connected with customer service representatives? And what can you do to speed up the process?