batteries

Frog photo by Bignoter (English WP) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons. Battery (photo credit graphicstock.com)

How the battery was invented because of an unfortunate frog

Italian scientist Alessandro Volta is credited as the inventor of the electrical battery, but a frog played a role. Volta’s invention, the voltaic pile, was made up of pairs of copper and zinc discs on top of each other. A layer of cloth or cardboard soaked in brine separated the discs, and acted as the electrolyte. This produced a stable and continuous current, and lost little charge over time when not in use – although the voltage wasn’t strong enough to produce sparks…

Read More

5 REALLY Simple Ways To Make Your Phone Battery Last Longer

Easy ways to keep your phone going longer – a light-hearted look at options to ensure the battery lasts longer while out and about. 1. Turn down the screen brightness Okay, so you might struggle to see your phone screen on a bright day – but you could try shielding it with your hand. And it could help your phone battery last that crucial little bit longer. You could also try making your screen timeout – when the display goes dark…

Read More

Battery-powered toys set to dominate Christmas wish lists – stock up on batteries now

 Have enough batteries to avoid toys not working on Christmas Day. Whether it’s a robot dinosaur, a family game or a doll, the  Toy Retailers Association list of what the most popular toys are expected to be this Christmas reveals many in the top 12 use batteries. As youngster draw up Christmas lists, check if toys come with batteries and what type they need – eg alkaline batteries. Have enough batteries in reserve so toys don’t run out of power too soon. And don’t forget adults, their presents may need batteries. Watch:…

Read More
Batteries (photo credit: Graphicstock.com)

The battery that charges in minutes and has a 20-year lifespan

  The new battery can be charged up to 70 per cent within 2 minutes and has a lifespan of more than 20 years – more than 10 times longer compared to existing lithium ion batteries. Scientists at Nanyang Technology University (NTU) in Singapore have developed the batteries and say they could have a revolutionary impact from mobile phones to tablets and especially electric cars. Electric car owners could save huge amounts on battery replacement costs and recharge their vehicles within minutes, according…

Read More

Photographing submarines, Margaret Thatcher to Scottish landscapes and crystal balls… one photographer’s story

It might seem an obvious thing to say, but people really do live the most extraordinary lives. Iain Ferguson was at the UK’s photographic “frontline” of the Cold War after developing a passion for photography and video from an early age. That passion for photography has also continued through his life – with stunning results.  A passion for photography As a youngster, Iain started off his photography and video interest by using the family video camera. As a teenager he started…

Read More

Turning professional: the former RAF man making photography a business

For many amateur photographers, the dream is to make it as a professional. And for Pete Dewhirst, it’s dream that became a reality. He has since gone on to photograph royalty, politicians, music events and protests. Pete made the move having spent a career in the RAF and working for an international telecommunications company with both jobs taking him around the world. In between, Pete has found time to excel in triathlons and duathlons and going on to represent Britain! Love of…

Read More

Motor racing photography: great tips and photos

This is an amazing action-packed gallery packed with racing cars as well as useful tips for motorsport photography taken by 7dayshop customer Stefan Cloete.  See more amazing pictures & photo tips – just click on the images below Further useful links Stock up on batteries Find the memory card you need at a great price How many memory cards do you need to “equal” the human brain? See what people are saying on Facebook Shop at 7dayshop.com Please follow and like us on:

Read More

Amazing photos from the sky: aerial kite photography

You might think that flying kites is for kids, but there is a worldwide community of photographers who use them to take kite aerial photography (KAP). Using kites and some pretty simple kit, so-called KAPers often produce stunning photos. Aerial photography: something different Kevin Lajoie is one such KAPer. He’s been using kites to take incredible images in and around the Channel Islands for the past six years. I caught up with him on a beautiful sunny day on the…

Read More

Did you enjoy this blog? Please help spread the word :)