Save money and enjoy carbonated drinks with our pick of the best soda water makers

I can’t decide if this is genius or a new way to injure myself in the kitchen. The inventors behind this company have made a chef’s knife that vibrates at ultrasonic frequencies. This kind of tech is

Lucy Hedges on the smart devices that can help you manage your power consumption – good for your purse and the planet

New innovations mean you have more chance of keeping your boat afloat and avoiding polluting the sea around you. Rob Melotti investigates

Follow these simple steps to get the most out of your appliances

You don’t need to clean everything daily, says Queen of Clean, Lynsey Crombie – focus on smart routines to save time, energy and stress • ‘Daily vacuuming isn’t necessary – in fact, doing it too often