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The Truth Meter
See what happens when someone asks you questions or when you laugh or get surprised. Everyone responds differently. See if you can turn the LED on with your mind. Try it on your friends or adversaries — it’s a great way to get to know someone! We’ve even included a few extra resistors, so you […]
Litiholo Hologram Kit
Making holograms became faster and easier a few years ago when Litiholo introduced its Instant Hologram film. Like old Polaroids, these film plates require no developing after exposure, which means, in about an hour, you can make your own transmission hologram of anything that will sit still next to the plate. The kit also includes […]
Perfume Science
Learn about the sense of smell with eight perfume oils and a variety of jars, mixers, and pipettes. Experiments range from fragrance extraction to composing your own perfume scents. My friend and I enjoyed one experiment where we prepared test strips of all the fragrances and then guessed which we were sniffing. I got two […]
