Little Laser Trip Wire circuit presented here can detect movement of people or objects while passing through the laser beam and trigger security alarms as alert signals to those concerned. What is ...

Here is a low-cost, invisible laser circuit to protect your house from thieves or trespassers. A laser pointer torch, which is easily available in the market, can be used to operate this device. The ...

Researchers transformed red marker ink into graphene-based circuits using a laser, enabling low-cost, flexible electronics on everyday surfaces like paper or cups. (Nanowerk News) It is the first case ...

Conducting polymers are plastics that carry current. This is an emerging technology that is beginning to have a significant impact on areas ranging from photovoltaics and printed circuit boards to ...

In this episode of the Physics World Weekly podcast, we meet Jonas Zeuner, who is co-founder and managing director of the Austrian start-up company VitreaLab. He explains how the firm’s laser-powered ...

Hybrid device: the photonic integrated chip developed in this study. (Courtesy: G Likhachev, EPFL) A new type of ultrafast tuneable laser based on low-loss lithium niobate integrated photonics could ...