Nov 8, 2023
CPU Architecture and Assembly —
A random old note illustrating a low-level programming language (assembly) interacts with registers. CPU Architecture include \masm32\include\masm32rt.inc swap2 PROTO : PTR DWORD, :PTR DWORD .…Nov 8, 2023
[DDA#2] Exoplanets —
Exoplanets Exoplanets are planets orbiting other stars rather than the Sun.
In the early days, they all show that the exoplanetary populations were dominated by really massive companions.…Nov 5, 2023
[DDA#1] The Discovery of Pulsars —
One day, an astronomer student found something strange in her radio astronomy data. A very weak blip coming from one part of the sky that repeated every 1.…Nov 5, 2023
[COCE#1] Early Chemical Evolution —
A star’s mass gives a measure of the amount of “fuel”, and its luminosity gives a measure of the rate at which this “fuel” is consumed by nuclear burning, so a star’s lifetime is proportional to its Mass divided by its Luminosity…Nov 4, 2023
NewJeans (뉴진스) —
27 Oct 2022 - Chinese writing practice
几天前，韩国的一位朋友推荐了这个全新女团NewJeans뉴진스。她们在正式出道日上表演了第一首主打歌Attention。此外，其余的歌曲包括Hurt、Hype Boy和Cookie。
New是新的意思，而Jeans的衣服表达现代人划时代的精神。值得注意的是，NewJeans和New Genes的发音区别不太大，可能表示成为「New Genes」或者「New Generation」的决心。
总体来说，NewJeans的歌曲都很好听，突然发现这一首特别好，MV Hype Boy，如下。
A few days ago, a Korean friend recommended the emerging girl group NewJeans 뉴진스.…Nov 4, 2023
Bullet Cluster (4b years ago) —
The image depicts a duo of clusters of galaxies as observed through the Chandra X-ray observatory. The red shading represents the ordinary gas that has become hot, while the blue shading represents the presence of dark matter, which is figured out by looking at the gravitational lensing effect.…Nov 4, 2023
Revolution of the Earth —
Ptolemy and the ancient observation The ancient observation explains that we are at the center of the universe and any other star revolves around us.…Nov 3, 2023
Why do distant Galaxies look red? Is it because they are expanding? —
An example with sound A simple explanation comes from the pitch of sound. When an ambulance is passing in front of you the pitch is going up.…Nov 3, 2023
How is the evidence of the Universe developed? —
In the early years, the universe is small and extremely hot. All the matter existed as a dense plasma. Plasma (one of four fundamental states after solid, liquid, and gas) absorbed light, making the universe opaque (preventing light from traveling through, therefore not transparent).…Nov 3, 2023
The Lifecycle of Stars —
Stars begin their lives in very dense nebulae, huge clouds of gas and dust. It’s very difficult to observe the process of star formation directly because the dust clouds block light.…