(planned for Freedom Tower)
Posted 05.06.2005 at 5:00 pm
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High manufacturing temperatures make blast-resistant glass strong but too heavy for an entire building. Laminated glass consists of glass layers sandwiched around plastic; upon breaking, glass fragments stick to the plastic. A futuristic solution&58; glass that’s been chemically treated so that it cracks from below the surface into sand-like grains, not shards.
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