[最古老「精子」化石藏於一億年前緬甸琥珀中!]
[Scientists discover 100 million years ago world's oldest
sperm in amber]

An international research team has found the oldest ever sample of animal sperm, which predates previous records by 50 million years. The specimen of "giant" sperm, from the marine species ostracod, was preserved in a piece of amber in Myanmar and is roughly 100 million years old. The sperm was found in the reproductive tract of a female that had clearly just mated.

The findings suggest that the unique reproductive features of these animals have remained unchanged for millions of years. This specimens is approximately 50-million year older than the two fossils of animal sperm previously considered the oldest, one from an unknown source found in amber in France, and a second embedded in an Antarctic segmented worm cocoon.

It is also 83 million years older than the previous record for ostracod sperm, which was found at Riversleigh, in Australia.

Research article: https://rs.figshare.com/…/Supplementary_material_fr…/5106105

Klipsch R-4B SoundBar เสียงแจ่ม ที่รองรับการเชื่อมต่อผ่าน Bluetooth , Optical , RCA และ USB Type A ลำโพงรุ่นนี้ด้านหน้าจะมีดอกลำโพงทั้งหมด 4 ดอกครับเป็นเสียงกลาง 2 ดอกและเสียงแหลม 2 ดอกครับ และ Subwoofer แบบไร้สายขนาด 6.5 นิ้ว
Klipsch R-4B มีรีโมทมาให้สามารถควบคุม input ต่างๆปรับเพิ่มลดเสียงปรับเสียง surround หรือเพิ่มเบสจาก Sub woofer ได้อีกครับ ลำโพงตัวนี้เสียงจะออกไปทางใส เบสหนักครบเครื่อง ครับใช้ดูทีวีฟังเพลงดูหนังๆทั่วไปได้ดีครับ เหมาะกับคนที่ไม่ต้องโยงสายให้ยุ่งยากครับเพราะตัว Sub woofer จะเป็น Wireless ด้วย ถือว่าสะดวกในการใช้งานมากๆครับผม
Klipsch R-4B ราคา14,900 บาทครับ ท่านใดสนใจ สามารถเข้ามาดูสินค้าได้ที่ ร้านไฮไฟเลิฟเวอร์ ชั้น 3 ศูนย์การค้าอัมรินทร์ พลาซ่า ใกล้ๆ BTS ชิดลม
หรือโทรสอบถามได้ที่
086-810-7374 พี่หมูหวาน
086-991-1632 จารย์เหลิม
Line id : @hifilover

SPECIFICATIONS
-SPEAKER SYSTEM 2-Way Soundbar with Wireless 6.5” Subwoofer
MAX ACOUSTIC OUTPUT 106 dB
-HIGH FREQUENCY DRIVER 2 x .75" Soft dome tweeters mated to 90 x 90 Tractrix horns
-MIDRANGE 2 X 2.5" Fiber composite cone woofers
-SUBWOOFER 6.5" Down firing Fiber composite cone
-ENCLOSURE TYPE (BAR) Ported
-ENCLOSURE TYPE (SUB) Ported
-INPUTS Optical
Stereo Analog
Bluetooth®
USB Type A
-BAR DIMENSIONS 40" (1016mm) W x 3.375" (85.7mm) D x 3.5" (88.9mm) H
-BAR WEIGHT 5.8 lbs (2.6kg)
-BAR FINISH Satin black
-SUB DIMENSIONS 6.3" (160mm) W x 14.17" (360mm) D x 10.4"(255mm) H
(including feet)
-SUB FINISH Wood/brushed black vinyl
-INCLUDED ACESSORIES (1) Wall Mounting Template
(1) Remote Control
(1) Optical Cable (1.8m)
(1) Owner’s Manual

Klipsch R-4B SoundBar เสียงแจ่ม ที่รองรับการเชื่อมต่อผ่าน Bluetooth , Optical , RCA และ USB Type A ลำโพงรุ่นนี้ด้านหน้าจะมีดอกลำโพงทั้งหมด 4 ดอกครับเป็นเสียงกลาง 2 ดอกและเสียงแหลม 2 ดอกครับ และ Subwoofer แบบไร้สายขนาด 6.5 นิ้ว

Klipsch R-4B มีรีโมทมาให้สามารถควบคุม input ต่างๆปรับเพิ่มลดเสียงปรับเสียง surround หรือเพิ่มเบสจาก Sub woofer ได้อีกครับ ลำโพงตัวนี้เสียงจะออกไปทางใส เบสหนักครบเครื่อง ครับใช้ดูทีวีฟังเพลงดูหนังๆทั่วไปได้ดีครับ เหมาะกับคนที่ไม่ต้องโยงสายให้ยุ่งยากครับเพราะตัว Sub woofer จะเป็น Wireless ด้วย ถือว่าสะดวกในการใช้งานมากๆครับผม

Klipsch R-4B ราคา14,900 บาทครับ ท่านใดสนใจ สามารถเข้ามาดูสินค้าได้ที่ ร้านไฮไฟเลิฟเวอร์ ชั้น 3 ศูนย์การค้าอัมรินทร์ พลาซ่า ใกล้ๆ BTS ชิดลม

หรือโทรสอบถามได้ที่
086-810-7374 พี่หมูหวาน
086-991-1632 จารย์เหลิม
Line id : @hifilover

SPECIFICATIONS
-SPEAKER SYSTEM 2-Way Soundbar with Wireless 6.5” Subwoofer
MAX ACOUSTIC OUTPUT 106 dB
-HIGH FREQUENCY DRIVER 2 x .75" Soft dome tweeters mated to 90 x 90 Tractrix horns
-MIDRANGE 2 X 2.5" Fiber composite cone woofers
-SUBWOOFER 6.5" Down firing Fiber composite cone
-ENCLOSURE TYPE (BAR) Ported
-ENCLOSURE TYPE (SUB) Ported
-INPUTS Optical
Stereo Analog
Bluetooth®
USB Type A
-BAR DIMENSIONS 40" (1016mm) W x 3.375" (85.7mm) D x 3.5" (88.9mm) H
-BAR WEIGHT 5.8 lbs (2.6kg)
-BAR FINISH Satin black
-SUB DIMENSIONS 6.3" (160mm) W x 14.17" (360mm) D x 10.4"(255mm) H
(including feet)
-SUB FINISH Wood/brushed black vinyl
-INCLUDED ACESSORIES (1) Wall Mounting Template
(1) Remote Control
(1) Optical Cable (1.8m)
(1) Owner’s Manual

Nissan today unveiled the Z Proto, signaling the company's intent to launch a new generation of the legendary Z sports car. Shown at a virtual event beamed around the world from the Nissan Pavilion in Yokohama, the prototype car features a new design inside and out, as well as a V-6 twin turbocharged engine with a manual transmission.

First hinted at in a video named "Nissan A-Z" in May, the Nissan Z Proto pays full respect to 50 years of Z heritage. At the same time, it's a thoroughly modern sports car.

"The Z, as a pure sports car, represents the spirit of Nissan," said Nissan CEO Makoto Uchida. "It's a key model in our Nissan NEXT transformation plan, and it's proof of our ability to do what others don't dare to do, from A to Z. As a Z fan myself, I'm excited to announce that the next Z is coming."

A global community of fans young and old attended today's virtual unveiling. Members of the Z Club in Japan, ZCON participants in Nashville, Tennessee, and enthusiasts in various other markets tuned in for the event.

Exterior: past meets future

Penned and developed by the design team in Japan, the Z Proto boasts a fresh, attractive exterior design with a silhouette that communicates respect for the original model. It sports a bright yellow pearlescent paint – a tribute to a popular paint scheme on both the first generation Z (S30) and the 300ZX (Z32) – and a black roof.

Combining a retro theme with one that also projected futurism was challenging, said Alfonso Albaisa, head of design at Nissan.

The shape of the hood and the canted, teardrop-shaped LED headlights are both unmistakable reminders of the original Z. The rectangular grille's dimensions are similar to the current model with the addition of oval grille fins to offer an updated modern look. The form continues to exude both sportiness and elegance.

The link to the original Z is most striking when viewing the Z Proto from the side. The roofline flows from the nose to the squared-off rear to create a distinctive first-generation Z profile whose rear edge was slightly lower than the front fender height giving the Z its unique posture. The signature transition from the rear quarter glass to the low-slung position of the rear tail adds to the effect.

The rear takes inspiration from the 300ZX (Z32) taillights, reinterpreted for the modern world. Set within a rectangular black section that runs across the rear and wraps around the outer edges, the LED taillights convey a sharp glow.

Lightweight carbon fiber treatments on the side skirts, front lower lip and rear valance ensure nimble performance. 19-inch alloy wheels and dual exhausts complete the Z Proto's striking road presence.

Interior: modern tech with a vintage touch

Designed to fit driver and passenger like a glove, the Z Proto's cabin seamlessly blends modern technology with vintage Z touches.

The interior design team sought advice from professional motorsports legends to give the Z Proto an ideal sports car cabin, both for road and track. This can be seen in the Z's instrumentation. All vital information is found in the 12.3-inch digital meter display and arranged to help the driver grasp it at a glance, such as the redline shift point at the twelve o-clock position.

The new, deep dish steering wheel offers the driver quick access controls without losing its vintage aesthetic.

Yellow accents are found throughout the cabin, including stitching on the instrument panel. The seats feature special yellow accenting and a layered gradation stripe in the center of the seats to create depth.

Sports car joy: an exhilarating, dynamic performer

The original Z was built to bring the joy and excitement of sports car ownership to as many people as possible.

Each new generation had a more powerful engine, although the Z is about more than power increases.

"Z is a balance of power and agility," Tamura continued. "It is a vehicle that creates a connection with the driver not just on the physical level, but emotionally, and responds to the driver's impulses."

Make no mistake though, the Z Proto packs a powerful punch. Under the elongated hood is an enhanced V-6 twin-turbocharged engine mated to a six-speed manual gearbox. As a prototype, work is now underway on synchronizing the power with the grace and control that has defined the Z for the past 50 years.

"With the launch this summer of the groundbreaking Ariya EV, we've started a new era of electrification and autonomous driving technology," said Uchida. "With the Z, we're bringing drivers the excitement of a pure sports car. For more than 50 years we have been creating the legend of Z together. I'm glad you're with us for the next exciting chapter. The new Z is on its way."

Z Proto specifications
Engine V-6 twin turbo
Transmission 6-speed manual
Length 4,382 mm
Width 1,850 mm
Height 1,310 mm
Wheel and tire size Front: 255/40R19

We get the beast back and it sounds awesome. One of the best sounding V8’s in the world, especially with SuperSprint long tube headers and 100 cell HJS cats, SuperSprint center section mated with Akrapovic center silencer and Akrapovic rear section. RENNtech carbon airbox, RENNtec 82mm throttle bodies, and RENNtech ecu proved to add substantial power on this NA beast. We have Dyno results to prove it! Thanks to the SuperSprint and RENNtech support! Great products!

我們把猛獸找回來了，他的聲音真的很棒。V8的聲浪是最美的聲浪，特別是SuperSprint 100鉬觸媒的長頭段、SuperSprint中段與Akrapovic中央消音器和尾段的組合。事實證明，RENNtech碳纖維進氣箱、RENNtech 82毫米節氣門和RENNtech ECU可以為這台自然進氣野獸增加大量動力。我們用馬力機證明了這一切。感謝SuperSprint和RENNtech的支持！很棒的產品！

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ขั้นตอนการผลิตและทดสอบความแกร่ง All-New 2020 Chevrolet Silverado HD (Heavy Duty) เชฟโรเลต ซิลเวอร์ราโด เฮฟวี่ ดิวตี้ รถกระบะปิกอัพไซส์ใหญ่ หรือที่เรียกว่า Full Size

FLINT, Mich. — Today Chevrolet debuted the full lineup of its all-new 2020 Silverado HD — the strongest, most capable Silverado HD ever. Max towing capability increases an enormous 52 percent to an available 35,500 pounds. It is also the third all-new Silverado in just 18 months, each designed for different customers.

“We set out to make the best HD trucks on the market, bar none,” said Jaclyn McQuaid, chief engineer, Silverado HD. “We increased towing capabilities across the line, not just for dually buyers. We added class-leading towing technologies, such as 15 available camera views1, to make trailering more convenient, whether pulling a large cargo trailer or fifth-wheel camper. And we made a host of changes to make tasks easier.”

Built at the Flint Assembly plant in Flint, Michigan, the all-new 2020 Silverado HD is longer, wider and taller than its predecessor with a wheelbase that’s been stretched 5.2 inches on Crew Cab models and is scaled for HD customers. The Silverado HD will be available in five distinct trim levels — Work Truck, Custom, LT, LTZ and High Country — available across 22 cab, bed, chassis and driveline configurations.

Customers can choose between two new powertrains. The standard engine is a new 6.6L V-8 gas with direct injection making 401 hp and 464 lb-ft of torque mated to a six-speed automatic transmission. That’s an 11 percent increase in horsepower and a 22 percent increase in peak torque, respectively, resulting in 18 percent more towing capability.

Then there’s the legendary Duramax 6.6L Turbo-Diesel V-8 engine making 445 hp and 910 lb-ft of torque coupled with an all-new Allison® 10-speed automatic transmission. In addition, every component between the transmission and the wheels has been upgraded to enable an available 52-percent increase in max towing capability — now up to 35,500 pounds on Regular Cab, two-wheel drive, DRW, diesel models.