Lenses are famous for their ability to bend light rays — to make smaller things look bigger, big things look smaller...even create a super bright beam of light that warns ships where the shore is. And some lenses, such as fresnel...

We’re beginning our engineering journey with a tour through the major branches. Today Shini explains the facets of civil engineering, including structural and construction engineering, city planning, transportation, and sanitation.

How best can we understand the internal experience of alienation? In both her essays and her fiction, Virginia Woolf shapes the slippery nature of subjective experience into words, while her characters frequently lead inner lives that...

John Green teaches you about Virginia Woolf's modernist novel, To the Lighthouse. Let's face it. You're not reading To the Lighthouse for the plot. There's not a whole lot of plot, unless you count the tension about the beef stew. You're...

Howcast - Check out part 21 of this playthrough for the action RPG "Dead Island" and beat "Seek n Loot" and "Waterdance" with this online demo.

Howcast - Check out part 10 of this playthrough for the action RPG "Dead Island" and beat "To Kill Time" and "Ashes to Ashes" with this online demo.

Are you worried about your next presentation? Well here are a few tips to help you overcome stage fright. These are things I do every time I speak to a new audience to beat those butterflies in your stomach. Filmed in Barcelona, Spain...

In this video, travel back to ancient Egypt to discover the Lighthouse of Alexandria—one of the Seven Wonders of the Ancient World. Built on the island of Pharos over 2,000 years ago, this towering lighthouse guided ships safely into the...

The red robot's lost his friends. He asks for Leo's help. It turns out the two robots went fishing late in the evening and couldn't find their way home. Their boat was carried off to an island. While Skoop and Lifty rescue the robots,...

Discover the dedication of the last remaining lampists, preserving the craft of hand-making lamps in a modern world.<br/>

Simka and Nolik try to repair a broken flashlight Tom Thomas needs to send messages to Katya, his friend who lives in an apartment building across the street.

KeyWest, Florida, USA:And from this island in the Middle East, we move to one in the south of the United States of America, Key West, in the state of Florida, with its keys and beaches with crystal clear waters, the legendary Fort...

Discover the design and sustainability features of a unique eco-friendly home on the Isle of Skye. Built with a focus on adapting to the environment, the house showcases innovative architectural solutions, including strategic...

Explore the history of lighthouses. Physical processes -Light - Light sources Learning Points Reflectors can be used to concentrate the brightness of light sources. Lenses refract, or bend light and concentrate it into a beam. A Twig...

Islands are supposed to be sunny, peaceful, and warm - exotic locales where you spend time on the beach, maybe do a bit of snorkeling, and even enjoy a few fruity drinks. Except sometimes, none of that happens.

Henry meets a Lighthouse who needs to light the way for a boat as it heads towards the shore but his bulb has gone. Henry becomes a Lighthouse Keeper for the day & after climbing lots of steps, carrying a bulb he finally saves the day.

Izzy surprises Shane by announcing that she would rather be a film maker than a chef. Will Shane get over his disappointment? And what will Izzy’s film turn out like?

When Sam Spratt mixes up the box of ice with the box of veg, Shane and Izzy have to flag him back to shore in order to save Shane’s menu.

Astrophysicist Scott Tremaine, Institute for Advanced Study, describes the issues associated with the search for exoplanets, highlighting how we actually had the technology to find them years ago but were limited by our own conceptions...

Season 1, Penguins part 2. Brandon and Kayne spot a white wallaby and learn more about the animals from a zoologist on the island. Plus Kayne gives a lesson on the history of Bruny's lighthouse where they will be spending the night....

Join us as we head to “The Hostess City of the South, Savannah Georgia” on this episode of Travel Thru History. We’re going to a beautiful charming coastal city in the Southeast brimming with an interesting past and an exciting artistic...

This video explains the concept of public goods and why they are typically provided by the government rather than through the market. The video describes two unique characteristics of public goods - non-excludability and non-rivalry.

Have you ever wondered if planets are still being formed? Dr. Debra Fischer answers your question in this special “Mysteries of the Cosmos” edition of Ask a Scientist.

Each summer, from mid-June through mid-September, a local company offers a five-hour boat cruise to Baker Island interpreted by an NPS park ranger. A short trip on a motorized launch is required to complete the journey, however. Since...