COVID-19 has turned the world upside down. The pandemic has disrupted daily routines, closed businesses and schools, and sent global economies on a rollercoaster ride. But it has also brought out the best in human compassion and innovation. We find one such example in the realm of 3D printing. Mid-march, as the coronavirus raged across […]
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What Are Tolerances and Why Are They Important in Design?
We live in an imperfect world where pure exactness is impossible. However, even though “almost” is okay in a game of horseshoes, it is dangerous when designing a car engine. To communicate just how precise a part needs to be, designers and manufacturers use tolerances.The ASME Y14.5 standard, which defines the exact rules for communicating […]
3D Printing in the Medical Field
A “one size fits all” approach might work great when mass producing vacuum cleaners, but it doesn’t work so well when it comes to the human body. That is why the 3D printer has found another place to shine—the medical field. Researchers, surgeons, and medical device developers have found unique ways to use 3D printing […]
HLH Tech Series: The Trompe: A Lost Technology
When technology falls out of fashion, it can get lost in history. The trompe is one of those lost technologies. Around the nineteenth century, if a mine were located near a river, they would install a trompe to use energy from the falling water to isothermally compress air. The trompe provided cold, dry, pressurized air […]
Have You Seen Comet Neowise?
For the last half of July, and if you are in the Northern Hemisphere, look to the northwest in the evening sky to see Comet NEOWISE. Breathtaking photos of the comet are popping up across social media, most of them taken earlier this month when the comet was most visible around dawn. Why all the […]
A Small and Simple Invention: What Inventors can Learn from the Ballpoint Pen
Home » A Small and Simple Invention: What Inventors can Learn from the Ballpoint Pen Sometimes, the greatest things are actually small and simple things, the things we take for granted. For example, have you ever stopped to think about the ballpoint pen? You likely use one on a regular basis. It’s the world’s #1 […]
How Much Do You Know About Albert Einstein?
No doubt you have heard of Albert Einstein, but how much do you really know about this legendary thinker? You probably know about his theory of relativity or his famous equation, E = mc2. Maybe you heard that he hated school as a child. What more is there to know? Quite a bit, actually.In 1879—a […]
The Inventor Galileo
Galileo Galilei was an astronomer, a physicist, a writer, a mathematician, the son of a musician, and a struggling inventor. By the time he was 27 years old, his father had died and left Galileo as the head of the family. Galileo had to support himself, help provide dowries for his two sisters, and regularly […]
Изобретатель Галилей
Galileo Galilei was an astronomer, a physicist, a writer, a mathematician, the son of a musician, and a struggling inventor. By the time he was 27 years old, his father had died and left Galileo as the head of the family. Galileo had to support himself, help provide dowries for his two sisters, and regularly […]
Авиация и инженерия
«Желание летать по моде птиц — это идеал, переданный нам нашими предками, которые в своих изнурительных путешествиях по бездорожным землям в доисторические времена с завистью смотрели на птиц, свободно парящих в космосе на полной скорости, превыше всех препятствий, на бесконечной воздушной магистрали ». –Уилбур Райт На протяжении всей истории люди смотрели в небо и задавались […]