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> The "a-ha" moment came from developing compounds that change color when they absorb a certain wavelength of light but then will gradually disappear. How abou
by shadytrees 18y ago
> The "a-ha" moment came from developing compounds that change color when they absorb a certain wavelength of light but then will gradually disappear.
How about everything but the "disappear" part (by time or heat)? I'd like to never buy another ink or toner cartridge again.
- blogimus 18y agoI'd like to never buy another ink or toner cartridge again. Funny you mention that. Zink ( http://www.zink.com/how-ZINK-works http://www.zink.com/how-ZINK-works ) is working on just that. It was even discussed here in other posts (http://searchyc.com/zink http://searchyc.com/zink ).