Retired experimental particle physicist.
The picture is a fayum . It looks like aunts and cousins of mine :).
81 Why don't electrons crash into the nuclei they “orbit”? Jan 25 '12
38 Does Gravity Really Exist? Oct 13 '14
34 Cooling a cup of coffee with help of a spoon Feb 16 '11
33 Why can't an electron be observed? Feb 15