Japan is known for its street fashion (popularized in the United States by Fruits magazine and Gwen Stefaniโs entourage of Harajuku Girls). Street style is more than just a cute outfit, itโs a whole look, mentality, and way of acting. Kogals emulate the California Valley Girl, with bleached hair, dark tans, light-colored lips, and their […]
Macramรฉ has come a long way since the 1970s when plant hangers were all the rage. I recall how excited I was when a class was offered at our local park. I was only 10 at the time, and I remember getting my ceiling tile, T-pins, and a big ball of jute to begin my […]
The HeliRocket is propelled by a standard model-rocket engine, but instead of the engineโs ejection charge deploying a parachute, it releases the rocketโs 3 tail fins. The fins then swing up into a helicopter blade configuration, which slows the rocketโs descent by converting much of its kinetic energy into drag and angular momentum (spin). Some […]
Inside your webcam is an imager chip with thousands of sensors, each much smaller than a hair. Replace the lens with an LED, place a sample directly on the the chip, and you have a lensless microscope capable of streaming live video of plankton or other microorganisms to any display.
