A polymer with a 2D molecular structure stacks into tightly packed layers — forming films of nanoscale thicknesses that are nearly impermeable to gases and moisture. Polymers are attractive barrier ...

I put ChatGPT-4o and 5.1 through 9 real-world tests — from logic puzzles to coding, writing and image analysis.

An error has occurred. Please try again. With a The Portland Press Herald subscription, you can gift 5 articles each month. It looks like you do not have any active ...

Jeff Tarpley of Gigem 247 invites you to ask any last minute questions you might have about today's contest between Texas A&M and Missouri (2:30 pm, ABC). Jeff Tarpley of Gigem 247 invites you to ask ...