How much does it cost to charge a phone, tablet or laptop? In the UK, we typically pay around 10p per kWh of electricity. This is the standard measurement of how much energy you – or more accurately, your appliances and gadgets – use. Your monthly electricity bill shows how much you’ve used, and you can keep tabs on usage by looking at your electricity meter. By 2020 we’ll all have smart meters installed which will send the information back to your energy company, thereby doing away with the need to ‘read the meter’ and estimated bills....

Cobra CDR 840E dash cam review Expert’s Rating Our Verdict The screen is too small, the mount isn’t quick release and the lens has a relatively narrow field of view, but footage is good on the whole and the software is decent. The main problem is the price, although if you hunt around you can buy it for just over £100, making it pretty good value. Cobra is a fairly well knowndash cammanufacturer, recognised by Adrian Flux, among other insurance companies which will give you a discount for using a dash cam....

How to reinstate tabbed browsing in Google Chrome for Android A recent update to Google Chrome for Android has removed tabbed browsing by default, making it difficult to know how to close browser tabs when you’re done with them. Here we show you how to use the new system, plus how to reinstate tabbed browsing in Chrome for Android.See allAndroid how tos. Chrome for Android: Where have my tabs gone? A recent Chrome update has hidden your browser tabs, but they are still just as easy to manage....

How to get the Android Marshmallow app drawer on any phone One of the changes brought in with the latestAndroid Marshmallowoperating system is a newappdrawer, which places frequently used apps at the top of the drawer, then lists alphabetically all your apps below. With this new app tray you scroll down rather than across to access all your apps. Here we show you how to add the Android Marshmallow app drawer to anyAndroid phone....

Canon Pixma MG3650 review Expert’s Rating Pros Cons Our Verdict The high cost of Canon’s black ink cartridges means that the MG3650 isn’t a good choice for people who mostly just need to print simple text documents. Fortunately colour printing is far more competitive, so it’s worth Considering if you need a versatile printer that can handle colour graphics, or printing photos from your mobile devices. Canon’s newPixma MG3650is an affordable and versatilemultifunction inkjet printerfor home users – but, as always with low-cost printers, you need to keep an eye on the cost of the replacement ink cartridges....