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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Science is reinventing play, from extreme sports to gamification to ridiculous roller coasters to the playgrounds of tomorrow, and this issue is chock full of fun. Also, on a less fun note: Did global warming destroy my hometown?