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Explore how pneumonia attacks the tiny air sacs in your lungs and how your immune system works to fight off the infection.

Every time you breathe, air travels down the trachea, through a series of channels, and then reaches little clusters of air sacs in the lungs. These tiny sacs facilitate a crucial exchange: allowing oxygen from the air we breathe into the bloodstream and clearing out carbon dioxide. Pneumonia wreaks havoc on this exchange system. Eve Gaus and Vanessa Ruiz detail how pneumonia attacks the lungs.

Lesson by Eve Gaus and Vanessa Ruiz, directed by Artrake Studio.

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Based on analysis of preliminary information from several sources, NASA experts believe the object was a meteoroid about two feet in diameter weighing about 1,000 pounds. The angle and speed of entry, along with signatures in weather radar imagery, are consistent with other naturally occurring meteorite falls. Radar and other data indicate that meteorites did reach the ground from this event.

Although meteorites tend to hit Earth’s atmosphere at high speeds, they slow as they travel through the atmosphere, breaking into small fragments before hitting the ground. Meteorites cool rapidly and generally are not a risk to the public.

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The New Murabba, which will house hundreds of thousands of residents, is one of the many mega projects part of the Saudi Vision 2030 plan.

If you thought NEOM was the most precious brainchild of Saudi Arabia, then you’re wrong. On Thursday, Saudi’s Crown Prince, Mohammad bin Salman bin Abdulaziz, unveiled plans to supposedly build the world’s largest downtown development in Riyadh called New Murabba, covering over seven square miles.

And that’s not even close. Murabba’s main character will be a ginormous, 400-meter-high, cubed skyscraper called the Mukaab. The Mukaab will be one of the largest structures — large enough to house 20 Empire State buildings.

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An Australian firm has finished its electric VTOL aircraft’s first tethered test flight. AMSL Aero’s offering, christened Vertiia, aims to provide a safe aircraft that will ease the burden of traffic congestion on people’s lives.

Vertiia is one of the newest VTOL industry entrants that has seen recent activity from players like Jetoptera and ARC Aerosystems.

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The man beat the machine by using a flaw uncovered by another computer system.

A human beat a top-ranked AI system in the board game Go, proving that the rise of machines may not be as imminent as previously believed.

This is according to a report by the Financial Times published on Sunday.

Zerbor/iStock.

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An AI system called “xView2” is helping ground rescue efforts in regions of Turkey devastated by this month’s earthquakes.

The U.S. Department of Defense is using a visual computing artificial intelligence system to aid ongoing disaster response efforts in Turkey and Syria following the devastating earthquake on February 6 that has claimed tens of thousands of lives.

AI system helps disaster response teams in Turkey.

Getty Images.

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The NEOMIR mission aims to provide advanced warning for asteroids capable of devastating cities.

The European Space Agency (ESA) aims to make the world safer with a spacecraft that can detect asteroids that the sun’s glare would otherwise hide.

The NEOMIR space observatory is designed to give an advanced warning about asteroids in a blindspot caused by intense sunlight.

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It’s mini yet mighty.

An autonomous ground robot was developed by researchers at Universidad Rey Juan Carlos and Universidad Autónoma de Madrid. It could help firefighters deal with situations in enclosed spaces.

Undoubtedly, firefighters would profit from the assistance of trustworthy mobile robots in their high-danger duties. Regarding this, researchers led a study called “HelpResponder” in 2021, which aims to reduce accident rates and mission times of intervention teams, as reported by Tech Xplore.

Continue reading “This autonomous ground robot helps firefighters in enclosed spaces” | >

This innovative startup is revolutionizing architecture — with building panels made out of fastest-growing perennial grass on Earth.

With housing shortages in need of quick fixes, the manufacturing industry is facing a conundrum: how to source materials and build structures while cutting down on emissions. The answer lies with sustainable construction — not only could it help reduce our environmental impact, but it also keeps costs low during implementation.

Recently, a new startup named Plantd achieved a milestone of building ultra-strong building panels out of the fastest-growing perennial grass on Earth — the best sustainable alternative to construction.

Building materials stronger than wood

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The observation reveals high-energy X-rays that could help solve a mystery regarding the Sun’s corona.

As a new series of NASA observations show, there’s a lot more to sunlight than meets the eye.

This hidden light could help solve a mystery related to our host star’s incredibly hot outer atmosphere, the corona.

NASA / JPL-Caltech / JAXA

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