A great post on DVICE which talks about eleven gifts made possible by science that certainly will impress your geek friend if you would give him such a gift. But even you would be impressed if you would recieve such a gift even if you are not a science geek! Some examples are shown below go for the full article to: DVICE
Galium:
Gallium is a silvery metal with atomic number 31. It's used in semiconductors and LEDs, but the cool thing about it is its melting point, which is only about 30 degrees Celsius. If you hold a solid gallium crystal in your hand, your body heat will cause it to slowly melt into a silvery metallic puddle. Pour it into a dish, and it freezes back into a solid.
While you probably shouldn't lick your fingers after playing with it, gallium isn't toxic and won't make you crazy like mercury does. And if you get tired of it, you can melt it onto glass and make yourself a mirror.
Price: $80
EcoSphere:
Inside these sealed glass balls live shrimp, algae, and bacteria, all swimming around in filtered seawater. Put it somewhere with some light, and this little ecosystem will chug along happily for years, no feeding or cleaning necessary, totally oblivious to the fact that the rest of the world exists outside.
EcoSpheres came out of research looking at ways to develop self-contained ecosystems for long duration space travel. They're like little microcosms for the entire world, man. But ask yourself: are we the shrimp, or the algae?
Price: $80
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