The laser is configured in a way so that the intra-cavity multimode beam profile can be characterized in an in-situ manner. We show unambiguously that it is essential to use the in-situ method, as ...

At relativistic speeds — that is near the speed of light — time moves more slowly, which would mean the electron beam wouldn't have enough time to spread out, keeping the beam focused.

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the ...

For now, at least, it's also become the official profile picture of their X account. They unveiled the change to their 791,000 followers within minutes of the clock hitting all zeros, which ...

Check Facebook right now. Chances are you'll find someone whose cover photo or profile picture has been changed to a plain black post. The symbolic gesture began appearing following the historic U ...

An icon of a desk calendar. An icon of a circle with a diagonal line across. An icon of a block arrow pointing to the right. An icon of a paper envelope. An icon of the Facebook "f" mark. An icon ...

Below is a selection of some Reuters pictures taken during the events of the day and in the lead-up to it, along with comments from the photographers who took them. U.S. President Donald Trump ...

The filmmaker possessed a singular vision — and a knack for finding collaborators who could convey it. The filmmaker possessed a singular vision — and a knack for finding collaborators who ...

Cameron Diaz at the Berlin premiere of "Back In Action." Getty Images for Netflix Cameron Diaz made a stunning return to the spotlight at the Berlin premiere of “Back in Action” on Wednesday ...

An iconic figure of the radical right, Louis Beam played a key role in shaping the revolutionary racist movement in the United States during the three decades following the Vietnam War as one of its ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The Christian Science Church, and we’ve always been transparent about that. The Church publishes the ...