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1902 AIR CONDITIONING INVENTION
In 1902, Willis Carrier set out to fix a printing problem. He ended up inventing modern air conditioningIn 1902, engineer Willis Carrier was trying to control humidity at a Brooklyn printing plant, not create a way for people to stay cool. His...- In 1991, researchers coated a Merritt Island home’s green-gray shingle roof with reflective material; the shingles reached about 110°F after treatmentDark roofs tend to soak up heat from the sun, resulting in higher air conditioning demands and costs. Utilizing reflective roofing material...
- Scientists create a steel sphere device that could protect buildings from earthquakes without electricityInnovative researchers have created an innovative seismic damper that utilizes steel balls and friction to mitigate the vibrations caused b...
- In 2001, researchers tested a white roof on a large Austin retail store; the study reported lower roof temperatures and an 11% reduction in cooling energy useA 2001 study in Austin demonstrated that white roofs lowered building temperatures significantly. This change reduced air conditioning ener...
- In 1944, a German aerospace engineer along with his team invented first long-range ballistic missile for Nazi Germany but it was built by concentration camp prisoners under brutal conditions, laying the foundation for both the American and Soviet space programsIn 1944, a German aerospace engineer along with his research team invented the first long-range ballistic missile secretly for Nazi Germany...
- California teen developed an eye condition at 5. At 14, he built an AI Device that could potentially help millions in needMeet Aaryan Balani, a 14-year-old from California who harnessed technology to create EYEVA, an AI-enabled wearable device designed to recog...
- In 1827, a Romanian polymath, mathematician, physicist and engineer invented a device which helped fuel the rapid expansion of global literacy by getting the first Romanian patent issued in history: The world's first fountain penIn 1827, a Romanian polymath, mathematician, physicist and engineer invented a device which helped fuel the rapid expansion of global liter...
- In 1945, Percy Spencer noticed something unusual while working on radar equipment: the candy bar in his pocket had melted. The engineer began experimenting with popcorn and an egg, eventually setting him on the path to developing the microwave oven.In 1945, Percy Spencer made a casual observation that led to a major change in food preparation. Standing next to a magnetron one day, he n...
- In 1881, a rich silver vein turned Lake Valley, New Mexico, into a town of about 4,000; by 1902 only 150 remained, and the last residents left in 1994Silver mining in Lake Valley began in the 1870s and boomed after a major discovery in 1881. Lawlessness and a railroad spur followed the pr...
- In 1921, a 14-year-old Idaho farm boy looked at the rows in a potato field and imagined television: How Philo Farnsworth turned a plowed field into a world-changing inventionIn 1921, 14-year-old Philo Farnsworth found inspiration for electronic television while plowing a potato field in Idaho. His simple idea of...
- In 2009, the U.S. Air Force put 525,000 computers under ENERGY STAR power controls, replacing wasteful always-on use with sleep settings and targeting $15 million in annual savingsAir Force's approach focused on putting computers into lower-power states when they were not being actively used. Under the settings being ...
- In 1882, an American engineer at the age of 22 invented a device which had a two-bladed propeller placed onto the rotating shaft of a DC electric motor: The story of the first electric fanIn 1882, an American engineer at the age of 22 invented a device which had a two-bladed propeller placed onto the rotating shaft of a DC el...
- In 2011, GSA’s Chicago Federal Center joined the green challenge with 6,700 workers. 1 year later, an HVAC overhaul cut natural gas use 25% and saved $140,000 that yearThe Chicago Federal Center found a practical way to reduce energy use. GSA upgraded its HVAC system across the large federal complex. The c...
- Students could face a school holiday as Ohio heat index nears 102°F — but whether classes are canceled depends on one crucial building featureSome Avon Lake schools closed due to extreme heat while others remained open. Older buildings without air conditioning became unsafe for st...
- In 1867, a Swedish chemist, engineer and industrialist invented a stable paste made by mixing highly unstable liquid nitroglycerin with porous silica sand called kieselguhr changing the world foreverIn 1867, a Swedish chemist, engineer and industrialist invented a stable paste by mixing nitroglycerin with porous silica sand called kiese...
- Around 1600, a pioneering English physician and natural philosopher invented versorium, the first electroscope, and detected the presence of static electric chargesAround 1600, William Gilbert invented the versorium, the first electroscope, to detect static electric charges. The English physician and n...
- 12-year-old wins $2,120 for a smartphone grip that becomes a breathing mask and she plans to donate prize to developing countriesA 12-year-old inventor Kim Ji On has won a $2,120 prize for creating a smartphone breathing mask inspired by a deadly hotel fire. Her emerg...
- At 13, a California student innovated a device to detect falls in the dark, became America's top young scientist, and took home $25,000Kevin Tang developed FallGuard, a system detecting falls in real time, even at night. This invention earned him the title of America's Top ...
- In a 2025 study, Penn State researchers tested porous PMMA sheets that reflected 96.4% of sunlight; a test box stayed 14.7°F cooler than the outdoor airInnovative researchers have crafted a groundbreaking porous plastic sheet that cools without any electrical input. By reflecting sunlight a...
- A New Hampshire eighth grader with underdeveloped fingers couldn't use a VR controller normally, so he invented his own adaptive device that lets him playAt just fourteen, Scott Merrow engineered a groundbreaking adaptive VR controller to accommodate his symbrachydactyly condition. Featuring ...
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