During femtosecond laser fabrication, photons are mainly absorbed by electrons, and the subsequent energy transfer from electrons to ions is of picosecond order. Hence, lattice motion is negligible ...

As with most steps in your beauty routine, consistency is key to quicker, more noticeable results. "Real changes occur over months, not weeks," says dermatologist Jessie Cheung. "You’ll notice your ...

A tribunal yesterday charged Obaidul Quader and six other leaders of the Awami League and its affiliated organisations with crimes against humanity over atrocities during the July 2024 uprising.

A quality laser printer delivers unparalleled speed, pristine text, and reliable paper handling. Find the right option for your home or office from our list of tested picks. Most of my current work ...

When the first laser and inkjet printers for PCs arrived in the mid-1980s, they could only print in monochrome, and their respective advantages were obvious. Today, the differences between laser and ...

The word 'ceramics' is derived from the Greek keramos, meaning pottery and porcelain. The opaque and translucent cement and clay often used in tableware are not appropriate for optical applications ...

The Center for Astrophysics and Space Astronomy (CASA) is dedicated to advancing our understanding of the Universe in which we live through observations, theory, and the development of ground-based ...

In the fast-paced world of digital distractions, a new kind of viral phenomenon has taken over our social feeds: the high-stakes visual perception challenge. As a long-time observer of how our brains ...

Abstract: We propose a hybrid integrated self-injection locked (SIL) narrow linewidth laser with adjustable feedback intensity. An adjustable Sagnac loop reflector (ASLR) coupled to a high-Q ...

Abstract: Laser-doped selective emitter diffusion techniques have become mainstream in solar cell manufacture covering 60% of the market share in 2022 and are expected to continue to grow to above 90% ...

After LASIK, you might feel a sandy, gritty feeling in your eyes for a few days. You might see halos or glare at night and have dry eyes for the first couple of months. Some LASIK patients may need ...