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Meet Boss – the car that can drive itself. Boss is the invention of Carnegie Mellon researcher Raj Rajkumar and his team. It has 18 sensors, including a three dimensional laser and onboard computers that connect to GPS and mapping software. When it comes to knowing the rules of the road, Boss rarely makes a mistake. With support from the National Science Foundation, it was built for a Department of Defense competition called the DARPA Urban Challenge. Boss negotiated the roads, including traffic, and was the hands down winner in 2007.
(Source: DCMP)
For centuries, land travel was restricted to how fast and far humans or animals could walk. In the 19th century, the invention of the bicycle transferred human energy to a set of wheels. During the Industrial Revolution, the invention of the steam engine led to the railroad, a change in transportation that created the tourist industry. In the early 20th century, the invention of the automobile forever changed how humans travel, and with the assembly line, Henry Ford forever changed how goods are manufactured.
An energy source unrivaled in efficiency and power, oil is the driving force behind today's industries and economies. It touches nearly every aspect of our daily lives, from our food and our clothing to our cars, yet most of us know very little about it. Traces the story of oil through the centuries, from its birth deep in the dinosaur-inhabited past to its ascendancy as an indispensable ingredient of modern life. Yet many experts predict that we have already passed peak production of this vital natural resource, with the latest scientific evidence suggesting that our headlong rush to exploit the remaining reserves may have profound--and perilous--impacts on our future.
Did you know that cars can be recycled. In this episode, Joel witnesses the massive power of the car crusher and learns how the different parts of cars can be reused. Part of the Curiosity Quest Series.
Using only gasoline to power cars back in 1905 was cheaper and easier, so the hybrid car was forgotten-until recently. The modern hybrid car has two distinct power sources working together to make it run: gas and electric power. Since the fuel widely used now is a non-renewable resource and becoming increasingly less affordable, the hybrid car is making a comeback. The benefit of the hybrid is that instead of running on gas, it uses non-polluting electric power when possible. Also, it helps cut pollution and saves drivers money at the gas pump.
Part of "Show Me Science" series. Are animals intelligent? Bees communicate with each other. Monkeys use rocks and sticks to help them get food. Is this instinctual or is it evidence of thought? Some scientists believe that one measure of intelligence is self-awareness, and that an animal's reaction to its own image in a mirror can tell us whether or not it is self-aware. Looks at fish, birds, monkeys, and primates and their reactions to themselves in a mirror. Researchers look for signs of self-recognition as they observe, record, and interpret the reactions of these animals. Includes suggestions for careers in this field of study.
Engine power is constrained at superspeedways like Daytona and Talladega, which reduces the speed of the cars. Teams use aerodynamics to gain an advantage due to the constraints. They adjust the cars to minimize drag, and driver's use the technique of drafting. Part of "The Science of Speed" series.
In this episode, researchers discuss the novel applications for a self-healing reverse filter. For example, researchers are studying its application in unsanitary environments. Scientists also ask the question: Is laziness a fruitful strategy for the survival for some species? Researchers are studying the link between metabolic rate and extinction. In the final segment, weather forecasts are predicting that El Niño and La Niña are likely to intensify wildfires and increase drought risk. Part of the "4 Awesome Discoveries You Probably Didn't Hear About This Week" series.
This decade is best remembered for disco and Watergate. But the inventions in the 1970s mark the beginning of the digital age to come. Featured inventions include: cell phones, the bomb disposal robot, Post It Note, hybrid cars, and digital cameras.
Speed, elegance, comfort, and many other factors are taken into account when creating a car. Car designers must be intentional in the creation of a great vehicle and ensure that all parts work together. Sports cars must have powerful engines, excellent chassis, strong suspension systems, and fuel efficient systems. Automotive technology ensures that consumers get more than just a pretty car.
For optimal performance, all the components of a race care must be balanced. Getting the right balance is hard because the weight of the fuel changes and the tires wear during the race. Crew chiefs make sure the cars are ready to race through the application of scientific principles. Part of "The Science of Speed" series.
Agricultural engineers explain their work and how they use biology and engineering to make farms energy efficient and the food supply safe and plentiful. They describe what drew them to this profession and also discuss their education and career paths.
Stuart Rowan, a professor at Case Western Reserve University, has created polymers that are able to self-heal when heat is applied using a special light. Part of the Fast Draw Series.
Staying safe in all kinds of weather and avoiding weather-related injuries are the focus of this practical video. Concepts and terminology: lightning, tornado, wind, hurricane, and safe shelter.
Race cars are loud. They don't have mufflers because mufflers will reduce the speed of the car. Spectators need to make sure they have adequate ear protection if they attend a NASCAR race. Part of "The Science of Speed" series.
From cyclists to race cars, the motion of an object is determined by the sum of the forces acting on it. An aeronautics engineer works with Newton's three laws of motion to test the best bicycle posture and helmet in a wind tunnel.
Dr. Brandon Peecook thought he had made a major paleontological discovery that was going to alter decades of prior research in the field. Then, right before he was about to present his findings, he got a phone call that changed everything. Part of "The Brain Scoop" series.
An amusement park provides the opportunity to study oscillatory systems and the variables associated with mechanical oscillation. After making observations at the park, a team heads back to the lab and creates experiments based on their observations. Part of Invisible Science and Technology Surrounding Series.
Explains what is normal for boys and girls at puberty: the biological facts of physical maturation, the timeline for growth for both sexes, the normal feelings of self-consciousness, the need for good personal hygiene, why mood swings happen, and preparation of the body for human sexuality and reproduction.
Unpredictable, stormy weather is a natural outcome of a warmer planet. As things heat, they become more volatile. From entire floating neighborhoods to massive harbor floodgates, cities around the world are trying to engineer their way to a safer future. Everything from farming to the insurance industry to building codes will have to change.
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Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
