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 […]
This amazing demo shows how you can transmit sound over a laser beam. The transmitter modulates power to a laser pointer with audio from aย headphone jack. The receiver is just an earphone and a solar cell; no power source. I assembled both in minutes, and it was strange (in a good way) to hear music […]
If you’ve been wanting to dive into basic electronics but haven’t figured out where to begin or are too intimidated by circuit schematics and Printed Circuit Boards, and want to start with something simple, then this is the project for you! The Solar USB Charger, our latest addition to Weekend Projects, combines the very familiar technologies of a solar cell and a USB cable to convert the sun into USB power.
When I told my 8-year-old daughter I had a kit to clone fluorescent jellyfish DNA, she was excited to try it. But this is a high-school level project. The reagents are sent in a styrofoam boxย with dry ice, and the projects requireย a polymerase chain reaction thermal cycler (which Genotyp will loan out to classrooms that […]
Aimed at kids 8 and up, this kit has real heart. Its 48-page workbook and components (solar cell, buzzer, two motors, LED, capacitor, copper rivets, pinwheel, etc.) take you through lessons and fun experiments that teach the basics: What is energy, as distinct from force? What forms does it take? How can it be converted […]
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 […]
The most wonderful thing about Schuyler St. Leger is that while he knows more about technology and electronics than most, he juxtaposes that knowledge with earnest curiosity. As much as Schuyler has to share, he also wants to learn. I’ll never forget the first time I met Schuyler. He walked right up to me in […]
