Retired experimental particle physicist.
The picture is a fayum . It looks like aunts and cousins of mine :).
89 Why don't electrons crash into the nuclei they “orbit”? Jan 25 '12
44 What is this shadow being cast upon? Jun 27
38 Does Gravity Really Exist? Oct 13 '14
35 Cooling a cup of coffee with help of a spoon Feb 16 '11
34 Why can't an electron be observed? Feb 15