Leds

Although we're hearing a lot about stretchable electronics, the fabrication of their components is far beyond most people's abilities. Now, however, scientists have created inks that let anyone draw stretchable LEDS using regular ballpoint pens.

A lot of bicycle commuters use so-called clipless pedals, as do many mountain bikers who make their way along dark streets when coming back from evening rides. The dual-color LED Arclight Pro Clipless Pedals are made for just such folks.

Folks who work on a computer at home, and also suffer from cold hands, can find keeping their digits toasty during winter months an expensive problem. Danish startup Varme has sought to address such issues with a power-sipping desktop hand warmer.

Back in 2012, we heard about tiny biped "biobot" robots that used actual muscle tissue to walk. Well, the descendants of those bots are now equipped with LEDs, which allow them to be remotely steered in a practical fashion.

Startup Sensy has launched a guitar-shaped electronic instrument featuring a fretboard crammed with follow-me lights designed to get noobs playing tunes quickly, but can also be used by seasoned pros as a MIDI interface or eye-catching melody maker.

Besides keeping your food cold, there’s not much more we need from a fridge, but manufacturers keep cramming new features in there. The latest example from LG is the MoodUP, a fridge that sports speakers and LED doors that can change color on demand.

If diabetes progresses too far, it can result in a potentially blinding condition known as retinopathy. And while existing treatments are invasive and often painful, there may be new hope in the form of an LED-equipped contact lens.

Tiki Brand shifts gears from the torches nearly synonymous with its name and strings up a full strand of outdoor lights complete with silent, odorless mosquito repellent diffusers. The lights create a warming ambiance while fighting off pests.

While most flashlights are good at lighting the way in front of the user, they don't illuminate the ground between that person and whoever may be following them. That's where the Polish-designed Rony comes in, as it has both front and rear beams.

It can get tiresome, continually having to tell groups of children – or even adults – to be quiet. That's where a new sound-sensitive lamp comes in, as it does the job for you by changing color in response to rising noise levels.

Although there are already cycling jackets and vests with integrated rear lights, those aren't going to do you much good if you cover them with a backpack. That's where the Torch pack comes in, as it has an integrated lighting system of its own.

Although we've heard about "smart" fabrics which could be used in clothing that displays data, it's unlikely that most garments will ever be made of such materials. The PocketView system, however, shines its display through existing "dumb" textiles.