Massimo(@Rainmaker1973)さんの人気ツイート(新しい順)

1676
This is what the inside of a musical instrument looks like [source, read more: bit.ly/1F13nZW]
1677
There's a nice natural geological formation in Iceland called the 'Elephant rock' for a precise reason [read more: bit.ly/2kBhRAH]
1678
Thanks to a close look at wings in nature, the FESTO's BionicSwifts are agile, nimble and can even fly loops and tight turns. The artificial swallows can move in a coordinated and autonomous manner by interacting with a radio-based indoor GPS [read more: buff.ly/3cK5fQT]
1679
In this phenomenal capture by Deven Stross you see nacreous clouds over the NASA Radome at McMurdo Station on Ross Island in Antarctica. Also known as polar stratospheric clouds they form in the winter polar stratosphere at altitudes of 15,000–25,000 m buff.ly/2wkLBry
1680
Moon and Venus conjunction behind Christ the Redeemer on the Corcovado mountain, Rio de Janeiro on September 8, 2013 [📹 Josselin Desmars: buff.ly/3EzGgOu]
1681
The life cycle of a leaf [video: buff.ly/2AygXv2] [📷 Rob Herr: buff.ly/2Ty4vlQ]
1682
This is what you see when you fly through the Sun’s upper atmosphere. The "view from the window" of the Parker Solar Probe, which was the first to complete the sampling of particles and magnetic fields there [read more: buff.ly/3ebMUQx]
1683
The fruit Monstera Deliciosa causes severe throat & skin irritation due to oxalic acid unless 100% ripe. Once the green outer scales fall off it's safe to eat and tastes like a mix of pineapple, banana & coconut. Its name literally means Delicious Monster ow.ly/Wz4J30nAIni
1684
In 2019, Victor Vescovo descended nearly 11 km to the deepest place in the ocean - the Pacific Ocean's Mariana Trench. While breaking the record for the deepest ever dive, he found a plastic bag and sweet wrappers [read more: buff.ly/2LBvLQT]
1685
Manufacturing ropes is an old, north German activity that is still practiced today. Tugboats use this kind of huge ropes to pull large ships. This is where traditional handwork merge with industrial production [full video (DE), NDR Doku: buff.ly/3dKBRtp]
1686
The observable universe is 93 billion light-years across (or ~8.8×10²³ kilometers). So far, no human has ventured farther than 1.3 light-seconds from Earth [read more: buff.ly/2tWEVP8 or more: buff.ly/30rXD2d] [📹 ESA: buff.ly/2FMxM9y]
1687
While a toy like this homemade one appears to be precariously balanced, it's designed so that the center of gravity is below the pivot point -> restoring torque -> stable equilibrium [read more: buff.ly/33h1q3o [source: buff.ly/3EUggLl]
1688
Fireflies produce a "cold light", with no infrared or ultraviolet frequencies, with wavelengths from 510 to 670 nanometers to attract mates or prey [read more: buff.ly/3GArNQ8] [📹 Scott Radke: buff.ly/3IMkmaM]
1689
What happened when a Space Shuttle fired its thrusters on orbit, outside and inside view [source: buff.ly/32qMrBt]
1690
Each of the rings in the image are circles, even though they certainly do not appear to be. This image by @AkiyoshiKitaoka is a visualization of the so called popple illusion [read more: ow.ly/ob7l30nylcj, buff.ly/2FO2dYm]
1691
These ultra-black fish are equipped with specialised skin that allows them to evade detection while hunting or hiding in the dark. Their skin can absorb 99.95% of all photons [read more: buff.ly/39bW2xj]
1692
This time lapse video shows the lava flow engulfing a parked car on the streets of Puna, Hawaii as a consequence of the eruption of the Kilauea volcano on May 7, 2018 [source, video: buff.ly/2rsiaOC]
1693
When roosters open their beaks fully, their external auditory canals completely closed off. Basically, roosters have built in earplugs. This helps prevent them from damaging their hearing when they crow, even up to 140 dB [read more: buff.ly/2PLrZHs]
1694
A visualization of two physical models of gravity: Newtonian Gravity and Einstein's General Relativity [source, by eyytee. Full video with explanation: buff.ly/2G9L7sq]
1695
This is the difference between winter/snow tires, all-season tires and summer tires by evaluating acceleration, stopping and cornering capabilities — using an ice rink as our test track [source and full video: buff.ly/2HTWaqT]
1696
When it gets hot inside the nest, bees use their wings as fans to draw hot air out and allow cooler air to move in. This is how Harvard scientists explained the way bees self-organize into living ventilating units [read more: buff.ly/2WIFBSG]
1697
Bergs Fairytale Garden (@Bergs_fairytale) took creative gardening literally creating this nearly perfect color palette with progressively hued eggs. «Eggs can be a everyday thing, but it can also be art» [source + IG: buff.ly/33snGri]
1698
Sandstorm flmed in the Haixi Mongol and Tibetan Autonomous Prefecture in Qinghai province in July 2022 [fact check, read more: buff.ly/3CdSWIc]
1699
Water plantain (alisma gramineum) has tiny purple-tinted white flowers that are cleistogamous, meaning that they stay closed and self-pollinate when underwater and open when out [read more: buff.ly/3EiOCKu]
1700
The heart of an aircraft's artificial horizon is a gyroscope mounted in a double gimbal, which allows the aircraft to pitch and roll as the gyro stays vertically upright [read more: buff.ly/3RCVCol] [📹 aceaviations: buff.ly/3e7gUNv]