A demonstration of how a source of light is required to see objects in the dark. The presenter shines a torch around a dark room and sees shiny and white objects. The presenter also shows Boffin ...

A demonstration of how a source of light is required to see objects in the dark. The presenter shines a torch around a dark room and sees shiny and white objects. The presenter also shows Boffin ...

A CLEVER iPhone trick lets you change the shape of the beam of light from its built-in torch. Gadget fans have spotted the handy feature, which has only been out for a few months. You can use this ...

This torch isn't rechargeable ... but it's easy to click between five light modes, including flashing, and you can easily adjust the width of the beam. The 370 lumens mode isn't bright enough ...

That ‘emergency head torch’ billing means you’d not be ... It’s also a great choice for around town, where the flashing red light is brilliant for after-dark cycling and running manoeuvres.