Join the conversation
Log in or create an account to leave a comment
Log In
You melt sand at very high temperatures
and then you can add other materials, like metallic oxides,
which give the glass color
and then you can add other materials, like metallic oxides,
which give the glass color
Full Transcript
00:00:01.000 --> 00:00:05.576
You melt sand at very high temperatures
and then you can add other materials,
00:00:05.608 --> 00:00:08.456
like metallic oxides,
which give the glass color.
Want This Clip in HD?
Upgrade for HD/4K downloads and unlimited access. Upgrade now →
Movie Summary
From a piece of meteorite found in Tutankhamun's tomb to the Crown of Thorns, explore some of the most perplexing and unusual objects lying hidden away in museums, laboratories and storage rooms.