You should not look through the microscope to do this ... focus so the stage moves away from the objective lens. Rotate the objectives so that the high-power objective, eg x 40, is in line ...

Some similarly priced portable microscopes have a USB port so power can be gained from a ... One limitation of the top LED is that the objective lenses block some of the light from reaching ...

The power of this technique is that it is ... of the aberration-induced phase-shifting properties of the microscope's objective lens 15,16. To obtain contrast, the lens's spherical aberration ...

Dubbed the interview that destroyed the Iron Lady's career, Labour MP turned journalist Brian Walden's bruising broadcast ...

Discover a microscopic world with one of the best microscopes for students and young scientists, without emptying your wallet — here are our top picks. The best microscopes for students should ...

The OpenFlexture Microscope ... objective for the highest image quality. It supports Standard RMS threaded objectives and is a fully functioning motorized laboratory-grade microscope Motorized ...

With the ‘S’ indicating both binoculars are stabilized, Nikon takes on arch-rival Canon. But is such a feature worth paying ...

Images, and the devices that capture them, are my focus. I've covered cameras at PCMag for the past 13 years, which has given me a front row seat for the DSLR to mirrorless transition, the ...

The Covid inquiry is taking evidence from politicians, civil servants and health experts about the roll-out of vaccines and anti-viral treatment across the UK. In July 2024, the inquiry's first ...

Trump has vowed to use the military to assist with deportations, relying on emergency and wartime powers such as the Insurrection Act, the National Emergencies Act, and the Alien Enemies Act.

The WSJ’s Shayndi Raice explains. Photo Illustration: Chip Somodevilla/Getty Images; Mohammed Saber/Shutterstock DUBAI—Major Middle East powers rejected President Trump’s surprise proposal ...