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Physics
Introduction to Relativity, Paperback
By William D. McGlinn
Special relativity is a cornerstone of the structure of all fundamental theories, and general relativity has blossomed from Einstein’s original theory into a cutting-edge applied science. In Introduction to Relativity, physics teacher ...
Item: U40600
$ 26.00
$ 19.50
Chaotic Pendulum
Embrace the chaotic nature of the universe and hang this everyday reminder in your office or classroom! The addition of a second pendulum transforms a predictable pendulum into a demonstration of chaotic motion. Comes in red, blue, silver, gold, and
...Item: U40635 [1003340]
$ 172.00
In-Line Runner Stirling Engine
A classic, simple horizontal drive Stirling engine to introduce your science of engineering enthusiast into the world of desktop motors. The quality and care of design on this Boehm produced engine make it the perfect gift or classroom accessory. Fuel
Item: U41912
$ 196.00
Deluxe Flyer Stirling Engine
This beautiful double arm Stirling engine emulates a butterfly's wing beat. The Deluxe Flyer combines simple elegance with power. The quality and care of design on this Boehm produced engine make it the perfect gift or classroom accessory. Fuel not included
...Item: U41914
$ 215.00
Little Pump Stirling Engine
The best-selling Boehm engine has convincing, unique charm! Enjoy the "Little Pump" with its overhead rocker arm and finely machined crankshaft. You say, "Go!" and this little motor does. The quality and care of design on this Boehm
...Item: U41915
$ 213.00
Classic Flame Eater Vacuum Engine
The Classic Flame Eater is not exactly a Stirling engine, but an unconventional vacuum engine where the flame of the alcohol burner is drawn into the cylinder and steam is ejected from the cooling stack. The pleasant sound of the engine is the flame ...
Item: U41923
$ 549.00
Small Tattoo Stirling Engine
An eye-catching Stirling engine with tattoo inspired adornments on the vertical support columns. The rolling shapes of the Small Tattoo will provide much enjoyment and entertainment. The quality and care of design on this Boehm produced engine make it
...Item: U41928
$ 215.00
Max Tattoo Stirling Engine
The largest of the Boehm-Stirling engine family leaves no wish unfulfilled and is the only four cylinder Stirling engine on the market. The eight rocker arms of the Max Tattoo move up and down one after to provide a unique show -- it is eye candy for
...Item: U41931
$ 552.00
Vacuum Stirling Engine
With a slight twist of the flywheel, the engine roars to life. The alcohol flame dances furiously and a lance of fire stabs through the rapidly working valve. The exhaust-like popping coupled with the clattering of the valve assembly causes a pleasant
...Item: U49331
$ 366.00
Omega Levitron®
Levitron Amazing Anti-gravity Top!
Spin the top and watch it float freely above it's base. It is amazing to see as it floats freely in space with no strings attached. Challenging to operate, but suitable for ages 8 and up. Makes a memorable gift.
...
Item: U49405
$ 35.00
Cherrywood Levitron®
Cherrywood Levitron®
The classiest Levitron® yet!
High-tech design uses adjustable legs for easy leveling. Incorporates the most powerful rare earth magnets available! Unique base design amazes onlookers as the high-flying top levitates mysteriously ...
Item: U49406
$ 50.00
Original Power House
Sustainable Living in the 21st Century!
Power House provides an engaging introduction to regenerative energy sources while teaching basic concepts and principles in physical science. The kit focuses on the heat and light energy from the sun, the energy ...
Item: U49445
$ 150.00
Green Essentials Power House
Thirty of the best experiments and the ten most important building projects from the original Power House kit are presented in the Green Essentials Edition.
Experiment with the heating, cooling, and insulation of the house and greenhouse. Test passive ...
Item: U49446
$ 100.00
Strangely Attractive T-Shirt
Are you strangely attractive? Show it off this fantastic t-shirt and have fun explaining what a strange attractor is to everyone who asks.
100% pre-shrunk cotton. Please specify: Small, Medium, Large, Xlarge or 2XLarge in the comments section during ...
Item: U49464
$ 18.00
Entropy Happens
Is your room messy? Your desk disorganized? Blame thermodynamics.
100% All t-shirts pre-shrunk cotton. Please specify: Small, Medium, Large, Xlarge or 2XLarge in the comments section during checkout.
Item: U49465
$ 18.00
