Where science fiction becomes science fact - that is the place Hank is exploring in today's episode of SciShow. Many inventions we use today were first imagined in stories that described fantastical futures. Hank talks about the origins of four of these: the cell phone, the submarine, the telemanipulator (or robot arm), and the taser.
Mars has beckoned humankind for centuries, but only in the last 50 years have we begun to scratch its surface. The latest Martian explorer is Perseverance, an uber-sophisticated rover, chock-full of scientific instruments, including 23 cameras, a robotic arm, lasers, and spectrometers, designed to analyze the terrain and reveal if there was ever life on the Red Planet. Join us as we examine the latest rocket, rover, and interplanetary helicopter.
2021 • Technology
Miami is beloved for its beaches and waterfront homes and businesses. See how engineers and planners are trying to protect Miami from rising seas and ever-more-frequent and violent storm surges that could destroy the city’s tourist and business economy.
More than 2,000 years ago, the thriving city of Petra rose up in the bone-dry desert of what is now Jordan. An oasis of culture and abundance, the city was built by wealthy merchants whose camel caravans transported incense and spices from the Arabian Gulf. They carved spectacular temple-tombs into its soaring cliffs, raised a monumental Great Temple at its heart, and devised an ingenious system that channeled water to vineyards, bathhouses, fountains, and pools.