The best desk lamps will help keep you comfortable (and on task) throughout your workday — and even late into the night. We consulted with three experts — an ophthalmologist, an ergonomist ...

Modern energy-saving lamps and LEDs (light-emitting diodes) work in a different way. They transfer a greater proportion of electrical energy as light energy. This is the Sankey diagram for a ...

Modern energy-saving lamps and LEDs (light-emitting diodes) work in a different way. They transfer a greater proportion of electrical energy as light energy. This is the Sankey diagram for a ...

Integrated LED desk lamp Touch button - 3 stage dimmer USB lead Modern look Other colours available 5 year guarantee LED lighting - environmentally friendly: energy-efficient, using up to 90% less ...