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My working Full Adder (or my two bits worth)

Demoing my working Full Adder built with transistors.

#make #build #digital #ttl #logic #computer #amateur #hobby

My experience with an exclusive OR

I tried to build a full adder out of transisters but couldn't get it to work, so I started over from scratch.

make, electronics, logic, ttl, computer, digital, amateur, hobby, breadboard, build,

Looking through the microscope today.



Looking at a slide of a mammal's ovary under the microscope. Per Wikipedia the white blobs with a dot in the middle are called ovarian follicles. Women begin puberty with about 400,000 follicles, each with the potential to release an egg cell (ovum) at ovulation.
#science, #microscope, #biology, #zoology,#mammal,#ovary,#amateur

Squamous epithelium on a slide

I got a microscope! Video shows me trying it out by looking at a sample of squamous epithelium on a slide. Pictures were taken by holding my cellphone up to the eyepiece.