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2. Stereo microscope - Wikipedia

   en.wikipedia.org/wiki/Stereo_microscope

   The stereo, stereoscopic or dissecting microscope is an optical microscope variant designed for low magnification observation of a sample, typically using light reflected from the surface of an object rather than transmitted through it. The instrument uses two separate optical paths with two objectives and eyepieces to provide slightly ...

3. USB microscope - Wikipedia

   en.wikipedia.org/wiki/USB_microscope

   USB microscopes are much less bulky than conventional stereo microscopes. They are useful in examining large items in situ where use of a conventional microscope is impractical. Simple ways in which the microscope can be used is a comparison of salt crystals, such as sea salt and table salt.

4. Dark-field microscopy - Wikipedia

   en.wikipedia.org/wiki/Dark-field_microscopy

   Diagram illustrating the light path through a dark-field microscope. The steps are illustrated in the figure where an inverted microscope is used. Light enters the microscope for illumination of the sample. A specially sized disc, the patch stop (see figure), blocks some light from the light source, leaving an outer ring of illumination. A wide ...

5. Trump's border czar: 'If you're in the country illegally, you ...

   www.aol.com/trump-border-czar-country-illegally...

   For the first time in U.S. history, military aircraft were used this past week to deport scores of undocumented migrants from the United States. Middle schools, Trump administration officials say ...

6. This ‘dating hack’ is going viral on TikTok. It's called ...

   www.aol.com/dating-hack-going-viral-tiktok...

   This TikToker went viral for her hack to get anyone to come up and flirt with you. It's called "sticky eyes," and experts say it actually works.

7. Trump, Macron discuss Ukraine peace prospects at White House

   www.aol.com/news/macron-arrives-white-house...

   WASHINGTON (Reuters) -U.S. President Donald Trump said on Monday the United States is close to a minerals deal with Ukraine as he and French President Emmanuel Macron held talks that covered the ...