Here the authors demonstrate a temporal Vernier caliper for arbitrary waveform synthesis with a sampling rate over 1 TSa/s. These results, which surpass current electronic systems by an order of ...

Through years of using spotting scopes across various terrains and for countless wildlife observations, I’ve come to see them as indispensable for nature enthusiasts, sports fans, and even stargazers.

In March 1925, Tennessee became the first state in the country to ban the teaching of evolution in public school classrooms. 36,706 people played the daily Crossword recently. Can you solve it ...

Scientists have devised a method of non-invasively tearing the objects apart, using what are known as "acoustic vortex beams." For several decades now, doctors have utilized a non-surgical ...

The Met Office says the UK is highly likely to see a polar vortex collapse in March - the weather phenomenon responsible for 2018’s ‘Beast from the East’. A sudden stratospheric warming (SSW ...

Article continues below The Met Office explained: “This phenomenon is characterised by a reversal of winds, the stratosphere polar vortex, high up in the stratosphere. These winds are currently ...

There’s also an 80% chance that a polar vortex could collapse later this month, forecasters said, bringing wintry conditions. Met Office Deputy Chief Meteorologist Chris Bulmer said ...

Such events can cause the polar vortex to destabilise, allowing the frigid air normally confined to the Arctic to spread further south, bringing snow, ice, and freezing temperatures. A similar ...

And while the weather will remain relatively warm for the next week, a polar vortex collapse expected over the next two weeks may bring cold temperatures and even snow to Columbus. Here is what ...

Reports of an impending polar vortex collapse are circulating online, with some forecasts claiming that Arctic air could plunge into North America and extend winter well into March. But ...