{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

started process of studying mos pepper infusion

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: quot; STARTED PROCESS OF STUDYING MO'S -PEPPER INFUSION -LOOKING AT ALIVE -ONE OF WATER -REPLICATED IN NUMBER Anton van Leeuwenhoek (1632-1723) • Good lens • Choice of specimen THINGS IN HIS WORLD, SAW RED BLOOD CELLS, PEPPER INFUSION, SPERM • Communicated his results to scientific community. ROYAL SOCIETY OF LONDON, 100 PUBLICATIONS HAD DRAPERY SHOP HOBBY: GRINDING LENSES, MADE SUPER SMOOTH LENSES AROUND SAME TIME AS GALILEO, BUT GALILEO USES LENSES TO LOOK AT PLANETS RECOGNIZED BY SCIENTIFIC COMMUNITY, INVENTED FIRST USUABLE MICROSCOPE Microscopy: THREE IMPORTANT FACTORS OF A GOOD MICROSCOPE • Magnification (enlargement of image...10 X) ENLARGEMENT OF SPECIMEN • Contrast (difference between image & background) • Resolution (clarity of image) HOW SHARP ARE EDGES FOCUS=SHARP MARGINS Resolving power: The minimum distance between two objects which can be distinguished as separate and distinct. MEASURE RESOLUTION WITH RESOLVING POWER Naked eye resolves about 0.1-0.2 mm (200 µ) Mi...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online