Beach Walker (video 2:57) – Theo Jansen’s strutting sculptures achieve astonishingly lifelike movement at Art Basel on Miami Beach. “The…

Biodegradation is nature’s way of recycling wastes, or breaking down organic matter into nutrients that can be used by other…

Bell Boeing V-22 Osprey – multi-mission, military, tiltrotor aircraft with both a vertical takeoff and landing (VTOL), and short takeoff…

Beauty products cleansing – soap smell – deodorant, perfume make-up – lipstick, mascara hair products – shampoo, conditioner, color, curl,…

Binoculars – (also known as field glasses) are two identical or mirror-symmetrical telescopes mounted side-by-side and aligned to point accurately…

Batteries use an ongoing chemical reaction to generate a potential difference between two terminals. Battery – a device that can…

Balance (biomechanics) – an ability to maintain the line of gravity (vertical line from center of mass) of a body…

Balancing a mass on your finger Mass: Demonstrating how the distribution of the mass of an object determines the position…

Hot air and helium have lower density than cold air, so balloons filled with these are “lighter than air”. density…

Balloon catheter – a tool to remove clots without major surgery. Since its first use in 1961, the balloon catheter…

What’s the problem? How can we make a bandage to cover a cut on someone’s finger so that it is…

Barometer Mercury – density of mercury, 13.5462 g/cm3 at 20°C, That’s engineering mercury – the only elemental liquid metal Engineering…

Single Leaf Bascule Bridge – engineering demonstration (video 6:04) This is a simple demonstration of a model that was constructed…

Aviation – the design, development, production, operation, and use of aircraft, especially heavier-than-air aircraft. Aviation is derived from avis, the…