This is a demonstration of the conservation of angular momentum using a Hoberman sphere, a plastic sphere frame that can be contracted by pulling on a string [📹 Dr. Boyd Edwards] , page 13

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This is a demonstration of the conservation of angular momentum using a Hoberman sphere, a plastic sphere frame that can be contracted by pulling on a string

[📹 Dr. Boyd Edwards]

有趣
( twitter.com )

1年前由 Massimo 提交

1周内 1个月内 1年内全部时间

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This is how Panama Canal works
时政
( twitter.com)

1年前 • Learn Something • -- 点击 • 下载视频 0 评论

00:00:29

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Does anybody know what this is?
有趣
( twitter.com)

1年前 • CCTV IDIOTS • -- 点击 • 下载视频 0 评论

00:00:05

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What artist is this for you?
有趣
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1年前 • NO CONTEXT HUMANS 👤 • -- 点击 0 评论

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Can anyone explain what this is?
有趣
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1年前 • CCTV IDIOTS • -- 点击 • 下载视频 0 评论

00:00:11

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This is how the faucet works
时政
( twitter.com)

1年前 • Learn Something • -- 点击 • 下载视频 0 评论

00:00:33

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5-Axis machines completely revolutionized the machining industry by increasing the complexity of movements both the workpiece and the cutting tool can move throug

This is how a zero point control takes place

[📹 cad.camer]

有趣
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1年前 • Massimo • -- 点击 • 下载视频 0 评论

00:00:17

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When people think of their dream wedding, it usually involves a beautiful and romantic setup with the bride and groom dressed in their best attires.

Well, this is not the case.

[📹 La libreta morada: ]

有趣
( buff.ly)

1年前 • Massimo • -- 点击 • 下载视频 0 评论

00:01:06

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This is how a dog shows empathy

The dog's owner broke his ankle and limped while walking.
The dog also pretended to limp, copying his owner as both of them walked on the street.

Credit: JukinMedia

有趣
( twitter.com)

1年前 • Epoch Animal Lovers • -- 点击 • 下载视频 0 评论

00:00:15

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Flutter is an aeroelastic phenomenon that occurs in flexible bodies with relatively flat shapes, such as airplane wings & bridge decks. This clip by Diego Codagnone shows it on a Glaser-Dirks DG-300 glider

[source: ]

有趣
( buff.ly)

1年前 • Massimo • -- 点击 • 下载视频 0 评论

00:00:13

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At the beginning of September, we look back at the liberation of the Kharkiv region, which took place these days last year.

This is an archival video of Another Love performed on the piano in a destroyed house in the city of Izium, Kharkiv region.

I remember this video so well…
时政
( twitter.com)

1年前 • Anton Gerashchenko • -- 点击 • 下载视频 0 评论

00:00:39

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Vivek Ramaswamy is a Russian asset.

Russia state TV Host Evgeny Popov said on his show on Friday that they're hoping to see Ramaswamy as the Republican nominee if their favorite candidate Trump won't make it:

"We should take a closer look at this Mr. Ramaswamy. The last time,…
时政
( twitter.com)

1年前 • Republicans against Trump • -- 点击 0 评论

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Adorable dog celebrates a bit too soon

"In a beginner obedience competition, Molly was supposed to sit/stay and wait for me to call her to me. Then she was to sit in front of me and look up. This is the last exercise of the event and Molly decided to celebrate early. We lost a…
有趣
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1年前 • Epoch Animal Lovers • -- 点击 • 下载视频 0 评论

00:00:39

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This is turning into one of my most hyped albums this year he’s gonna deliver
时政
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1年前 • Tervis Scoot • -- 点击 0 评论

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This is an often overlooked aspect of the Aussie economy in the next few years.

While there were too few shovel ready projects to pull the trigger on when Covid hit, government committed to a huge stimulus spend that is still feeding through in spades now and will for years.
时政
( twitter.com)

1年前 • Tarric Brooker aka Avid Commentator 🇦🇺 • -- 点击 0 评论

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Who.. Is allowed to use this path?
时政
( twitter.com)

1年前 • cosmic jester • -- 点击 0 评论

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Is this fair or foul?🤔
有趣
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1年前 • Out of Context Human Race • -- 点击 0 评论

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Is this the best sci-fi movie?
有趣
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1年前 • Amazing Astronomy • -- 点击 • 下载视频 0 评论

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Comment if you know where this is…
时政
( twitter.com)

1年前 • Visual of Earth • -- 点击 • 下载视频 0 评论

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Who is this?? 😂😂

有趣
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1年前 • Figen • -- 点击 • 下载视频 0 评论

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This is awesome For my smoker friends.
时政
( twitter.com)

1年前 • Stella • -- 点击 0 评论

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This is my favorite entrepreneur to follow!//
时政
( twitter.com)

1年前 • Stella • -- 点击 0 评论

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I’m shocked to learn that a top ally of Alexei Navalny (and Magnitsky prize winner) was poisoned in Berlin. This is the second anti Putin activist who has reported being poisoned there. Natalia Arno was the first.
时政
( twitter.com)

1年前 • Bill Browder • -- 点击 0 评论

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Palm Springs and others parts of Southern California faced the threat of flash flooding along with landslides and mudslides today after storm Hilary unleashed record-breaking downpours overnight.

This is a massive debris flow in Palm Springs

有趣
( twitter.com)

1年前 • Massimo • -- 点击 • 下载视频 0 评论

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All three extant species of potoroo are threatened by ecological changes since the colonisation of Australia.

This is a long-nosed potoroo, showing that their young can eat fruit even from the pouch

[📹Cleland Wildlife Park: ]

有趣
( buff.ly)

1年前 • Massimo • -- 点击 • 下载视频 0 评论

00:00:08

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They were master composers, geniuses who left a deep sign in music's history. Yet, they were not visual geniuses, especially when it comes to handwriting.

This is how they struggled to draw their treble clefs.

[read more: ]
有趣
( buff.ly)

1年前 • Massimo • -- 点击 0 评论

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