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The Electromagnetic Field (EMF) is a health concern. The EMF causes ionization in the body, creating free radicals. These free radicals cause oxidative stress, leading to DNA damage and inflammation. And as with everything else bad, kids are more vulnerable than adults. Electronic toys and EMF Electronic toys, especially with moving parts, usually have a motor. And for that motor to function, a temporary magnetic field is created using the flow of electricity. This magnetic field is what causes the EMF exposure. ...

Explore how the US is run by lawyers, and faces challenges in innovation compared to China’s engineering-driven governance.

Zurich, along with Oslo, Norway is one of the few unassuming expensive European cities that I would not recommend visiting. The joke goes that Zurich whose German pronunciation is tsü-rich/त्सुरिच is “too rich”. The city is entirely unremarkable in terms of tourist attractions. A day is more than sufficient to see the city. I would recommend starting with a walking tour, it will give you basic idea of the city. The old town is small and can be covered in a couple of hours. ...

Do kids need meat to grow tall? Here are some graphs for parents to decide.

Singapore is hot, humid, and opulent. Luxembourg is cold, windy, and opulent. By some measures, Luxembourg is the richest country in the world. It is also one of the safest. It is the only duchy, that is, a country ruled by a duke (a level below a king), in the world. It is also one of the smallest countries in Europe. The best way to see is to get in early via a direct train from Brussels to Luxembourg 5:30 AM -> 9 AM for about 26 Euro. ...

Once or twice a month, I get a reach out to join as a technical advisor. I got two in the last month, except both were fake and meant to install malware on my machine! Both had a similar script. Someone reached out over LinkedIn to join their team as a technical advisor. Then they share a link to their code respository - without even asking me to sign an NDA or adding me to their org! Then I was asked to try out the code where doing npm install alone would have triggered the malware. Here are the stories in detail. ...

The book presents interesting ideas around early-age reading developments for babies. Physical activity Crawling (with tummy on floor) and creeping (on just four limbs) are both important for the brain development of the baby. A playpen restricts a child’s ability to learn about the world. If small, it restricts crawling and creeping, which further restricts brain development, vision, and hand-eye coordination. The child appears hyperactive. In reality, he is using his five senses to learn about the world. Learning Toddlers have a natural desire to learn. They can learn repeated messages in commercials much more easily than Mickey Mouse cartoons, though. Between 9 months and 4 years, a baby has an unparalleled ability to absorb new information. Kids 12 months or younger are the best to start reading. Years one to five are best for learning as many languages as possible. Any misinformation that enters a child’s mind in the first six years is very difficult to remove later. Children as young as 2-3 years old are always reading and learning. You can only control what they read. And not whether they read. Reading vs spelling His vocabulary limits a man’s thinking sophistication. To form a more complicated thought, he has to develop the corresponding vocabulary. Reading like hearing is not a school subject. It is a brain function. Spelling, on the other hand, is a set of rules that is meant to be taught as a school subject. You can read but might not be able to spell a word. The reverse never happens. How to teach reading Only teach a child when both you and the child are in a good mood. A sleepy, hungry, or crying child will not learn. Better to go fast and risk boring the child. Do not start teaching the alphabet; it is too abstract for a child to learn. Start with words directly. Teach 5 sets of 5 words three times a day. Thus, each word is shown thrice for one second each time. Retire one word per set per day. So, 5 new words are added every day. Use large (5" tall, 3/4" thick to begin with) lowercase letters written in red color for teaching words. The immature visual pathway cannot focus on small letters. Slowly reduce the size as the visual pathways improve. The first set of words is a reference to the family and body parts. Once the child has learnt basic words, go to couplets, e.g., “red truck”, “orange juice”, and then to more concepts like “full cup”, “little chair”, etc. After couplets, go to three-word sentences, e.g., “daddy is sleeping”, “mommy is eating”, etc. Next step is the books. Good books to start after that (from the same publisher) are Enough, Inigo, enough and Nose is not toes. Reading aloud is a bad idea for children. It slows down reading, which slows down comprehension. The schools do it to test a child’s ability to read. Never test your child’s reading ability. Children hate testing.

The book discusses various issues that make babies unhappy. It is a nice (though not great) read for first-time parents. A baby can naturally fall asleep. Hunger for food (milk) and hunger for sensations prevent that. Massages are good, but even carrying a baby in a body-hugging baby carrier is a form of massage. Steady walking with a baby in your arms is one of the best ways to calm down a distressed baby. Sleeping on the back has increased the incidence of head flattening. Due to sleeping on the back, the tummy time is even more important. Carrying a baby over your arm provides both tummy time and an amazing sensory experience for the baby. Beyond 10 hours a day, any more time spent with the baby has diminishing returns. Using a baby carrier while doing chores also exposes babies to the sensory experience of the house. White noise machines are not a good idea for babies during sleep. The best place for babies to fall asleep is near their parents. During the daytime and at night. Induced burping is a bad idea. It has little upside, and it interferes with sleep. If the baby fails to breastfeed properly in the first few days, it can create negative associations that are much harder to fix later on. A baby might cry a lot due to a lack of good gut bacteria. One can fix it by adding Lactobacillus reuteri to the baby’s diet. Overprescription of anti-acid medications leads to suppressed acid production, leading to allergies in the long run. Infacol is no better than a placebo in treating colic. In the initial days, the baby must gain ~200 grams per week (even 500 grams per week has been seen). Cue-based care creates a language of cues between the baby and the parents. For the first 16 weeks, babies make inconsolable cries as the amygdala (emotion center of the brain) is not fully developed. As the circuitry matures, the cries go down. Boys are usually less developmentally mature at birth than girls.

Sandbox your tools before they harm you

We outsource chores all the time. We outsource cooking to restaurants. We outsource travel planning to travel guides. We outsource oil changes to auto mechanics. But software outsourcing is unique in that it often gets a bad reputation and causes a loss of expectations. I believe there are a few reasons why software outsourcing gets such a bad reputation. Lack of discernment A Peruvian restaurant would refuse to serve you Indian food. They might suggest some good vegetarian options, but would not cook Paneer Tikka for you. ...