1940s
A scientist explaining some chemical reaction.
1970s
A seismograph in process.
1950s
the fascinating world of lasers. Scientist in a laboratory focus…
various animation clips of DNA
Rats in a holding cage. each is taken by a scientist and subjected to…
a narrator gives a history of laser and practicle examples of laser…
inside a labortory testing the power of lasers.
3D TV and lasers.
laser in animations form
extreme close-up of a beating heart, & heart diagram
Unspecified
Blood in the human body getting the job done.
Pharmacist work their magic in the laboratory. Measuring drugs on a…
