Search results for “mechanical engineering”

Are Engineered Nanoparticles Dangerous?

We'll be tackling the risks of nanoparticles and other particles more fully when Risk Bites launches formally in November. But until then, here's a roller-coaster ride of a video on what might be important when thinking about the risks and benefits or nanoparticles - or any other particles for that

10 Mechanism of radical substitution

In the screencast, the mechanism of radical substitution is explained using the example of the reaction ethane with bromine. This screencast is essentially used to follow up on the content worked on in class. Original: "Wolfgang Dukorn" Original: German. All translations in this video have been do

10 Mechanism of electrophilic addition

In the screencast, the mechanism of electrophilic addition is explained using the example of the reaction ethylene with bromine. This screencast is essentially used to follow up on the content worked on in class. Original: "Wolfgang Dukorn" Original: German. All translations in this video have bee

Could You Engineer Yourself To Live Underwater?

In human's quest to conquer new worlds, you'd think the ocean would be next. Why can't we live deep underwater yet? Follow Us! https://twitter.com/LifeNoggin https://facebook.com/LifeNoggin https://www.instagram.com/lifenoggin/ Click here to see more videos: https://www.alugha.com/LifeNoggin Lif

10 Radical substitution of alkanes

Radical substitution is an important reaction mechanism in organic chemistry. The essential terms are clarified and the mechanism is explained in detail. The difference between reaction mechanism and reaction equation is worked out. Original: "Wolfgang Dukorn" Original: German. All translations in

Transforming the Future of Flight

In the early 1900s, the Wright Brothers found inspiration for their first airplane in nature. Their "Flyer," which was modeled on a bird's flexible wing design, was steered and stabilized by pulleys and cables that twisted the wingtips. Despite its success, this control strategy quickly vanished fro

NOVA scienceNOW: What Will the Future Be Like? | Wearable Robots

Learn about in advances in powered exoskeletons—a kind of wearable robot—in this video adapted from NOVA scienceNOW. Correspondent and New York Times technology columnist David Pogue explores the development of sophisticated robots that can be integrated with the human body. The company Ekso Bionics

Wild-Inspired Robotic Arms

Learn how one company took inspiration from nature to reinvent the robotic arm in this video excerpted from NOVA: “Making Stuff Wilder.” Host and technology columnist David Pogue meets with engineer Heinrich Frontzek to find out about the Bionic Handling Assistant—a machine modeled after an elephant

NOVA scienceNOW: Franklin Chang-Díaz: Rocket Scientist

In this video segment adapted from NOVA scienceNOW, meet Franklin Chang-Díaz, an astronaut and scientist. Learn how he has been interested in rockets and space travel since he was a child in Costa Rica, and how he immigrated to the United States to pursue his dream of becoming an astronaut. Hear how

Mind-Controlled Robotic Arm

In this video excerpt from NOVA scienceNOW, find out how a paralyzed woman manipulates a robotic arm with her mind to successfully drink from a cup. Correspondent and New York Times technology columnist David Pogue explores this experiment conducted by the BrainGate research team of doctors, scienti