(HealthDay News) — For patients with hypertrophic burn scars, a combination laser-cision and pinhole method using a carbon dioxide (CO 2) laser may be a new effective treatment option, according to ...

Researchers have used the centuries-old idea of pinhole imaging to create a high-performance mid-infrared imaging system without lenses. The new camera can capture extremely clear pictures over a ...

WHILST the design of the photographic lens has received so much attention of recent years and its performance has reached such a high state of perfection, the possibilities of the simple “pinhole” ...