Podcasts
Shop
Our partners
Before you go any further...
I've read and accept the Terms of Use and the Privacy Policy.
I accept to receive newsletter and other communications associated with firms of The Explorers Network group'
I accept to receive commercial offers of The Explorers Network partners'.
Thanks!
Vote everyday for your favorite content
SENSITIVE CONTENT
This media contains sensitive content which some people may find disturbing or offensive.
You must be 15 years of age or older to view sensitive content.
Log inBirthday
Content being validated
THE EXPLORERS +
Watch our premium movies
The Explorers + is our premium movie catalog in Ultra High Definition (HD/4K/8K)! Hundreds of videos already available and daily new content on all your devices (web, mobile, tablets, smart TV).
Post content (photo or video) and get 1-month free
OR
Subscribe and support The Explorers Foundation's field actions for biodiversity.
Content being validated
Based on the stretching of glass
0
0
Glassblowing is based on the stretching property of glass, probably discovered by the Syrians in the 1st century BC. It consists of transforming a mass of molten glass, called a parison, into a bubble and then into a hollow shape. The blowing of this bubble inside a mold allows accelerating the reproduction of the chosen shape. Glassblowing hence constitutes a practical and useful technique given the rapidity of glass cooling.
Related content
Médias en cours d’exploration