Trig – The Oldest Practical Math
My guests on this episode are the authors of Make Trigonometry, Build Your Way from Triangles to Analytic Geometry, Joan Horvath and Rich Cameron. Make Trigonometry is the third math book that Joan and Rich have written with us, the previous books.....»»
Saddle unearthed in China may be oldest ever found
An international team of archaeologists has found what may be the earliest known saddle at a dig site in China. In their paper published in the journal Archaeological Research in Asia, the group describes where the ancient saddle was found, its condi.....»»
You Can Probably Beat ChatGPT at These Math Brainteasers. Here"s Why
The ChatGPT AI can ace an IQ test, but it can’t beat brainteasers like those devised by legendary math puzzler Martin Gardner.....»»
Guide to 2023 Chevrolet Colorado Trim Levels
The all-new 2023 Chevrolet Colorado offers five trim levels, each designed to suit different needs. From the practical Work Truck to the adventure-ready ZR2, here’s a guide to each model of the 2023 Colorado. Shop for a Car from the Comfort of Your.....»»
When it comes to advanced math, ChatGPT is no star student
AI's ability to handle math depends on what exactly you ask it to do. Enlarge (credit: Peter Dazeley) While learning high-level mathematics is no easy feat, teaching math concepts can often be just as tricky. That may be.....»»
Did life evolve more than once? Researchers are closing in on an answer
From its humble origin(s), life has infected the entire planet with endless beautiful forms. The genesis of life is the oldest biological event, so old that no clear evidence was left behind other than the existence of life itself. This leaves many q.....»»
It"s impossible to compete with Apple, says third-party iPhone repair shops
Due to lengthy delays in parts processing and steep costs, third-party iPhone repair providers say that there is no practical way that they can compete with Apple's repair chain.Right-to-Repair After facing increased pressure from legislators, Apple.....»»
French painters inspire new insights into the physics of soap bubbles
It's one step closer to better control of bubble size, shape for practical applications. Enlarge / Still life of a boy blowing a bubble (circa 1734) by 18th century French painter Jean Siméon Chardin. (credit: Public domain).....»»
Chemists unravel reaction mechanism for clean energy catalyst
Hydrogen, the simplest element on Earth, is a clean fuel that could revolutionize the energy industry. Accessing hydrogen, however, is not a simple or clean process at all. Pure hydrogen is extremely rare in nature, and practical methods to produce i.....»»
Top 6 Apple-friendly graduation gifts for 2023: celebrate success in style
Graduation is a special occasion that deserves a memorable gift, and you can celebrate with these practical gadgets in our roundup of the best graduation gifts.Nothing says congratulations like helpful tech that graduates can use for years. Whether t.....»»
U.S. vehicles get older and bigger as economic environment, consumer preferences change
Consumers' choices to keep their current vehicles longer and purchase used instead of new are pushing the average age of U.S. vehicles up — a boon for the service industry. Passenger cars are the oldest on average; electric vehicles are the younges.....»»
Fopo S17 triple monitor review: Portable but precarious
The Fopo S17 triple monitor can give you two more screens for your MacBook on the go — but be aware of its downsides.Review: The Fopo S17 triple monitorDue to its portability, the Fopo S17 could be a practical device for MacBook users who need more.....»»
Monduo 16-inch Pro Duo Display review: Fun and practical, but Mac owners have better choices
The Monduo 16-inch Pro Duo Display can turn your single-screen 16-inch MacBook Pro into a triple-screen productivity powerhouse, and it works well — but Apple users have some more flexible choices.The Monduo 16-inch Pro Duo Display helps enable a t.....»»
Scientists streamline a widely used chemical reaction, creating new manufacturing opportunities
A team of scientists from the University of Ottawa has developed an innovative technique to manufacture complex chemical structures from easily accessible substrates, making it one of the simplest and most practical methods for converting alcohols in.....»»
Thirsty on the moon? Just throw some regolith in the microwave
No matter where we go in the universe, we're going to need water. Thus far, human missions to Earth orbit and the moon have taken water with them. But while that works for short missions, it isn't practical in the long term. Water is heavy, and it wo.....»»
A ‘Monumental’ Math Proof Solves the Triple Bubble Problem
A decades-old conjecture about the best way to minimize the surface area of a three-bubble cluster seemed unprovable—until a breakthrough result......»»
Synthetic gasoline promises neutral emissions—but the math doesn’t work
E-fuels sound like a panacea, but there's not enough spare electricity to make them. Enlarge (credit: Aurich Lawson | Getty Images) Synthetic fuel promises to put gasoline back in our future. Motorsport will be using it.....»»
Research reveals longstanding cultural continuity at oldest occupied site in West Africa
Evidence from West Africa about human evolution remains scarce, but recent research has indicated unique patterns of cultural change in comparison to other regions of the continent. A new article in the journal Nature Ecology and Evolution adds to ou.....»»
An epic global study of moss reveals it is far more vital to Earth"s ecosystems than we knew
Mosses are some of the oldest land plants. They are found all over the world, from lush tropical rainforests to the driest deserts, and even the wind-swept hills of Antarctica......»»
Math teachers hold a bias against girls when the teachers think gender equality has been achieved, says study
Math teachers who believe women no longer face discrimination tend to be biased against girls' ability in math. This is what we found through an experiment we conducted with over 400 elementary and middle school math teachers across the United States.....»»
I used System76’s Pangolin for weeks, and Linux was not the biggest problem
A comfy keyboard, weird trackpad, blah webcam, and notably mature Linux desktop. Enlarge / The Pangolin has a somewhat plain, practical all-black look. It gets a little wilder when you start plugging things into its gracious arra.....»»