Ashton Kutcher and Effie Epstein to talk Sound Ventures at TC Disrupt SF

While many celebrities try to invest in the world of tech, very few do so successfully. And no one has proved their worth as celebrity-turned-VC more than Ashton Kutcher .

Open source sustainability

Open source sustainability has been nothing short of an oxymoron. Engineers around the world pour their sweat and frankly, their hearts into these passion projects that undergird all software in the modern internet economy. In exchange,

Are scooter startups really worth billions?

It’s been hard to miss the scooter startup wars opening fresh, techno-fueled rifts in Valley society in recent months.

How backups, backups, backups protect NYC’s cellular infrastructure

The infrastructure that underpins our lives is not something we ever want to think about. Nothing good has come from suddenly needing to wonder “where does my water come from?” or “how does electricity connect into my home?

Bag Week 2018: Timbuk2’s Launch featherweight daypack is tough and tiny

If you need something small, lightweight and indestructible, Timbuk2’s Lightweight Launch Backpack ($129) might be right up your alley. The pack, constructed from famously tough Tyvek, can fit a 13″ laptop comfortably and plenty else. At only 18L, it sounds small,

Bag Week 2018: P.MAI’s women’s leather laptop bag is luxury packed with utility

Welcome to Bag Week 2018. Every year your faithful friends at TechCrunch spend an entire week looking at bags. Why? Because bags — often ignored but full of our important electronics — are the outward representations of our techie styles,

Apple will repair busted keyboards on recent MacBooks and MacBook Pros for free

Back in 2016, Apple redesigned the MacBook Pro’s keyboard. It… hasn’t gone as well as they probably hoped. Complaints of failing keys quickly started popping up. Some keys had a tendency to get stuck in place; others move freely, but simply don’t respond. Two years and a lawsuit later,

VC Brian O’Malley jumps from Accel to Forerunner Ventures

Brian O’Malley may be the most-poached venture capitalist in Silicon Valley. While rising through the ranks at the global investment firm Battery Ventures, where O’Malley had led deals in Hotel Tonight among others, he was plucked out of the firm by Accel Partners in 2013,

Here’s what having the biggest game of the year looks like at E3

For all of the beautiful photo-realistic titles shown off at E3 this year, for all the mind-bending storylines and beautiful art styles, it seems that nobody can stop thinking about Fortnite. The battle royale title has picked up users at break-neck speeds, kills its standalone live streaming app is merging the functionality from its two-year old live streaming platform into its main app, and has disabled’s standalone app as part of the transition process. The app will eventually be pulled from the App Store and Google Play,

N26 launches a revised metal card

Fintech startup N26 is updating its N26 Metal product and launching it tomorrow. You might remember that the company first announced its premium card at TechCrunch Disrupt Berlin in December 2017. Shortly after the conference, the card was available in early access for existing N26 Black customers.

请尊重测试:测试从业五年有感 - waterxi


GoPro Stock Spikes More Than 30% On Its Debut

This morning GoPro went public, spiking sharply in early trading. Priced at the upper end of its range, $24 per share, GoPro quickly traded higher, reaching nearly $33 per share, according to a Google Finance chart. As of writing, the company is trading for $31.07, up around 29% since its open.


[核心提示] 有道词典这款外语学习产品能够成长为同类中的佼佼者,其背后依靠的是不断的渐进式创新。   有道不是「风口上的猪」,能够达到今天目前在外语学习类产品中的地位,依靠的是自己频繁的产品创新。

贝尔实验室新技术将铜线宽带网速提升至 10Gbps

贝尔实验室近日推出了一项名为「」的新技术,可以将传统铜线宽带的网速提升至 10Gbps (10,000Mbps)。


《华尔街日报》报道称,特斯拉CEO伊隆·马斯克(Elon Musk)正在考虑建设全球规模的互联网卫星网络。马斯克正在研究与WorldVu Satellites创始人格雷格·维勒(Greg Wyler)合作,发射约700颗卫星。这些卫星的重量将不到250磅(约合113.


Telegram 是一家由帕维尔·杜罗夫(Pavel Durov)建立的消息应用创业公司(杜罗夫同时也是 的创始人)。这家公司在今天发表的一篇博文,其中展示了 Telegram 应用最近获得的一些成绩。

Metal played on kid-sized instruments is more brutal than you'd think

Big sound can come from small instruments, if the right musicians sit behind the drum kit. Musician Frank Pasquale and a friend hooked up a child-sized electric guitar and a miniature drum kit for a quick jam sessionProof that when it comes to heavy metal, adult instruments are not required.


情人節明明就是洋人的玩意兒,但在台灣卻十分深入民間,不管你身邊有伴還是沒伴,大概都能感受到風雨欲來的情人節恐慌低氣壓,有伴的開始抓破頭想要送什麼禮物(然後一邊上 PTT BG 版問鄉民送禮的建議),沒伴開始找墨鏡放在哪裡,準備好在那幾天強力拒絕出門與現實社會劃清界線(並且開始準備好一週的糧食準備破台),不過無論你怎麼抵抗,臉書上的 “穩定交往中” 狀態經過研究,的確會在那幾天頻繁的出現,另外也會不斷出現的是閱讀全文


关于这个问题,首先要理解冰川的thermal dynamics和flow dynamics冰川有哪些热源以及传播方式conduction:这种热传递方式是和温度梯度的大小有关的,热量从高温传递到低温,并且沿温度梯度大的方向传播,地热的传播就是这种方式。



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