速度，瞬時(shí)速度和平均速度 首先要先明白運(yùn)動(dòng)的概念，機(jī)械運(yùn)動(dòng)是指位置發(fā)生變化。有了變化自然就會(huì)關(guān)心變化的快慢。位置變化的大并不代表位置變化的快。兩個(gè)同學(xué)吃饅頭，一個(gè)同學(xué)吃了六個(gè)...
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IP屬地：遼寧
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2021/9/2
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時(shí)間，位移
第一節(jié)課我說(shuō)過(guò)，在135億年前，大爆炸之后宇宙出現(xiàn)了時(shí)間，空間，物質(zhì)，能量。關(guān)于這一切就是物理。我們可能不理解，大爆炸之前沒(méi)有時(shí)間嗎？說(shuō)實(shí)話我們?nèi)祟?lèi)確實(shí)沒(méi)辦法理解這件事，但是...
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開(kāi)學(xué)第一課
自我介紹 同學(xué)們好，開(kāi)學(xué)第一堂課，物理課。第一節(jié)課，我們先不上課，互相認(rèn)識(shí)一下，我先做個(gè)自己介紹，然后我再來(lái)認(rèn)識(shí)你們。黑板上寫(xiě)下名字。 我叫&&，老家在內(nèi)蒙古。大家對(duì)內(nèi)蒙古應(yīng)...
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2021-08-09
現(xiàn)在是晚上十點(diǎn)半，但是十點(diǎn)的時(shí)候自己剛醒，做了一個(gè)噩夢(mèng)。 醒來(lái)的那一剎那，發(fā)現(xiàn)自己在做夢(mèng)，可是夢(mèng)中的場(chǎng)景還那么真實(shí)，便開(kāi)始想這讓自己擔(dān)憂的夢(mèng)到底是真還是假，幾秒鐘后，現(xiàn)實(shí)中的...
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1 Steal like an artist 021.Garbage in， garbage out. 2. Chew on one thinker——writer, artist, activist, role model...
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1 Steal like an artist 01
1.First, you figure out what's worth stealing, then you move on to the next thing. 2. T...
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5 Side projects and hobbies are important
1. I think It's good to have a lot of projects going at once so you can bounce between ...
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8 Be nice(The world is a small town)
Make Friends， Ignore Enemies 1.The golden rule is more golden in our hyperconnected wor...
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7 Geography is no longer our master
Build your own world 1.It isn't necessary that you leave home. Sit at your desk and lis...
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The secret:do good work and share it with people
In the beginning,obscurity is good I get a lot of e-mails from young people who ask,"Ho...
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2021-07-09
3 write the book you want to read the best advice is not to write what you know,it's to...
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快畢業(yè)啦，世界你好嗎？<br>我的公眾號(hào)，《年初二》，你會(huì)來(lái)嗎？
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一個(gè)碼字工
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其身正，不令而行；其身不正，雖令不從
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江蘇作協(xié)會(huì)員，中國(guó)散文學(xué)會(huì)會(huì)員。<a href="http://www.itdecent.cn/mobile/club?ref=dd92235c3e62" target="_blank">http://www.itdecent.cn/mobile/club?ref=dd92235c3e62</a>
