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

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

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

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

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

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

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

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

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

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

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

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

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

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