BUDAPEST - Some guys are better than the time they live in. It's what I thought when I saw Govinda Upadhyay on stage, receiving the Change Award from the EIT (European Institute of Technology) at a ...

I’ve also treated the topic of LED illumination more conceptually; take, for example, this piece from more than seven years ago that analyzed LED and CFL light bulbs as potential successors to ...

[Amen] obtained a microscope whose light source was an incandescent bulb, but the light from it seemed awfully dim even at its brightest setting. Rather than hunt down a replacement, he decided to ...