Light pens were a popular accessory in the 8-bit computing days, offering a relatively inexpensive pointing device that gave your micro an even more futuristic feel.

It’s an extremely simple device using an integrated light sensor with built-in Schmitt trigger, but for us the magic isn’t in the pen itself but in discovering how it worked with the Vectrex ...

Then, I came across Neutrogena's genius new Light Therapy Acne Spot Treatment. The $20 pen-like device is the portable little sister to the brand's popular full-face LED mask. You place it on your ...

Microsoft is looking to bring back the light pen as an accessory for Windows 8. Dark Theme Light Theme. ... a simple add-on device which can bring pen control to any computer or laptop on the ...

Using a device called Graphic 1, they can draw and manipulate circuit designs directly on a cathode ray tube with an electronic light pen, allowing for rapid prototyping and testing of ideas.

A new patent could hint at a future Surface Pen can harvest its power from the LEDs in your Surface's display. When you purchase through links on our site, we may earn an affiliate commission.

some light-based devices that are being developed are very accurate, too. But unlike others tools available, Eberlin noted, the MasSpec Pen is made from biocompatible materials — which makes it ...

So maybe the CreoPop pen, which instead uses UV light to cure a liquid resin ... if it doesn’t meet its funding goals. But as these devices are becoming more and more popular, the chance ...