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I have now gone through nearly the whole book "Discover Physics". To be fair, the only grave mistakes(grave and fundamental) I found are the two definitions of emf and potential difference - concepts that by themselves are difficult. But no students of physics should ever commit such mistakes...

We are usually informed that liquid is generally incompressible, but not absolute. Simplifying things is always needed in science, but the concept must not be outrageously wrong! A better explanation: "Emf is the capacity (e.g. battery, solar panels, generators) to cause electric charges to...

Exactly! I did google and notice how this Dr. Charles Chew blindly copied from www.birmingham.ac.uk... wiki:"In electromagnetism and electronics, electromotive force (emf) is the electrical action produced by a non-electrical source, measured in volts". I just told my grand nephew trust wiki...

I have read about how the other countries - even the U.K. - consider our GCE O level syllabus and teaching to be excellent. Many countries seem to have copied our syllabuses. I have just started to give physics revision to my grandnephew in GCE O level physics and I found this (highlighted): 1)...

The video seems trustworthy. The former Chinese finance minister mentioned at end of 2020, USD230 billion spent on 5G. If he has reservations about the investments in 5G, then it must be true - almost a scam. The real problem probably is a mixture of corruption and ignorance about technology...

Dear John Tan, Ω! "Einstein's E=mc² Is Invalid" Chan Rasjid Kah Chew, Singapore. http://www.emc2fails.com

Sahih Al-Bukhari Hadith 5134 (a strong hadith): "that the Prophet married her when she was six years old and he consummated his marriage when she was nine years old. Hisham said: I have been informed that `Aisha remained with the Prophet for nine years (i.e. till his death). Indeed, I think if...

There is a great difference between your opinion of yourself and my opinion of myself. You do believe your are qualified to comment on the truth about the prophet Muhammad as you have "read widely on Islam" - various Al-Buhkhari hadith, the Quran,etc. and maybe some other materials. You...

When I mention "details" in Islam and religion - as in hadith, Quran - I include the historical context, whatever... which I have no time to pursue with just one lifetime! OK. I know now you have a difference in opinion concerning the character of the Prophet of Islam. The Muslims consider him...

OK. I googled and found almost the same. If you think it means Islam is a religion of torture, I have no comment. I'll leave it to you. I generally have not much interest in religion - to pursue details to the end - no time for such. It seems to me you read fairly widely on the religion of...

If anyone care to find out: Rebuttal to Silas's Article "MUHAMMAD AND THE DEATH OF KINANA" by Bassam Zawadi https://www.call-to-monotheism.com/rebuttal_to_silas_s_article__muhammad_and_the_death_of_kinana_ "page 515 reads: "Kinana al-Rabi, who had the custody of the treasure of Banu Nadir...

Quote/ John Tan:"You sure? It's easy to find a hadith about muhammad ordering his goons to torture people. Kenana al-Rabi, who had the custody of the treasure of Banu Nadir, was brought to the apostle who asked him about it. He denied that he knew where it was. A Jew came (Tabari says "was...

To John Tan, OK. This thread is meant to be serious unlike the many others which we all know are just silliness to pass times. I have never been offended by John Tan's post about his often outrages post about the Prophet, etc because none here would take them as serious stuff. But about...

Anyone knows Hindi here? Please transcribe the volleys.

I have got this in some Youtube comments: Quote: She said in Hindi to the opposition leader: "Since you are making fun of my God, shall I start talking about how in your book your god married a girl of 6 and had sex with her at 9 and according to that book earth is flat and the man flew on...

Many people are frustrated that nobody quoted the exact words Nupur Sharma said, me included. There seems to be a total internet censorship of the actual words said. The only thing I know is that it involved either of the hadith below. It was narrated that 'Aishah said: "The Messenger of Allah...

Not so soon yet.:tongue: On the other hand everything's predestined as per KDrama. They use to say that if a person is to die, then he could even drown in a dish of water.:frown: "Einstein's E=mc² Is Invalid" Chan Rasjid Kah Chew, Singapore. http://www.emc2fails.com

"China Accuses US of Instigating War in Ukraine, 'Using Ukraine' To Create Crisis to Control Europe" Alexander Mercouris, 11 Feb 2022. This Alexander Mercouris is simply brilliant as a political analyst. @mojito should go through the whole video. Take note that the video is dated 11 Feb and...

He may not be a military expert. But the most important is his sources and his contacts. He is not alone, with others as partners. I followed him about the war in Syria and he seems good. It is a fact that I am not an expert in physics, but I am an expert on Einstein's special relativity, just...

According to this Alexander, contrary to what the western media is saying, the Ukrainians are now suffering heavy losses. [edit]29:00 is interesting about American war of independence.