Pyrex is supposed to be tough stuff, capable of withstanding extreme temperature changes, like a trip from the freezer to the oven. And that was true with old Pyrex, made from thermal-stress resistant borosilicate glass. But starting in 1994, Corning began licensing the name Pyrex to other manufacturers, which, today, make Pyrex brand cookware with a different chemical formulation—soda lime silicate glass. A report in the Bulletin of the American Ceramic Society says the new glass doesn't have the heat-protection powers of the old stuff. So why use it? Apparently, the manufacturers say soda lime silicate glass provides better protection against breaking when dropped. The report didn't test that, but this could just be an example of chemical trade-offs. Listen to Scientific American's podcast about this news. Or read the full report. (Via Christopher Mims)
Time to start coveting vintage Pyrex
- COMMENTS
- baking
- chemistry
- consumers
- Science
Kitchen science: Unexplained cooking phenomena
Cooking is both an art and a science, and there are many things science still can't tell us about cooking. I've always enjoyed the idea that cooking is just tiny… READ THE REST
Scientist identify the phonetic alphabet of whales
We've known that whales are intelligent, emotional mammals who often sing songs. But now, a team of researchers from Project CETI (Cetacean Translation Initiative) and the MIT Computer Science and… READ THE REST
Echidnas blow snot bubbles to stay cool in summer
Echidnas are bizarre little critters that blow snot bubbles from their nose to stay cool in the summer. In this short Echidna film, we learn how these snot bubbles keep… READ THE REST
Save $169 on a lifetime license to Microsoft Windows 11 Pro and never look back
TL;DR: Revamp your digital world with this incredible lifetime license to Microsoft Windows 11 Pro, with its seamless interface and top-notch security, for only $29.97 (Reg. $199) until 11:59 PM on 1/07.… READ THE REST
Upgrade your tech for the new year with this refurbished iPad Pro, less than half price right now
TL;DR: Save over $350 on a refurbished Apple iPad Pro 10.5" 256GB, plus a free accessories bundle, with this sweet deal on sale for just $315.99 right now. Tech fans, it's time… READ THE REST
Make your rockstar dreams a reality for only $15.97 with this Guitar Lessons Training Bundle
TL;DR: The perfect last-minute holiday gift for an aspiring rocker, the 2024 Guitar Lessons Training Bundle is only $15.97 (Reg. $480) until 11:59 PM on 12/25. It's really never too late to make… READ THE REST