Vacuum Enables - Light Bulbs
One of the first applications of vacuum was for the ordinary incandescent light bulb. Thomas Edison discovered that filaments lasted longer in a vacuum. Today's low energy bulbs still use vacuum technology.
Vacuum Enables - Vaccines
Freeze dried vaccines curbed the spread of measles, malaria, rabies etc in the developing world. Why? Because they could be transported without refrigeration. Where is the vacuum? Freeze drying is a vacuum process!
Vacuum Enables - Neon Tubes
After the second world war, advertisers were looking for attractive signs that worked at night. Vacuum provided the answer: neon lighting. It was a revelation in the 1940s,adding some brightness after years of conflict.
