The heart of this unusual thermal engine is a thin ring of Nitinol wire (0.3mm). Some warm water is enough to make the Nitinol Engine run.
This bouquet of roses will last a lot longer than the real thing!
To commemorate a special occasion, to say thank you, or just to let someone know you are thinking of them. Open the card and up pops the bouquet of roses. Envelope included.
Inspired by a love of the bard, this handcrafted "Romeo and Juliet” pop up card can be used for a multitude of occasions – be it to commemorate a special occasion, to let someone know you are thinking of them, or as a special memento – this card will definitely bring a smile to your loved one’s face!
E= mc2. One famous equation. Five symbols. Countless implications. Einstein’s equation for mass-energy equivalence altered the way we think about energy and mass, and has provided endless technological advances.
This is a rear view mirror for your computer! It attaches to the corner of your screen, where the convex mirror gives you a wide angle view of the...
The sand timer floats at the top of the column of liquid. But turn it upside down, and now the sand timer does not float. What is happening?