Across the English Channel on a jet hoverboard. Free Technical Library News

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Across the English Channel on a jet hoverboard

05.08.2019

40-year-old French inventor Franky Zapata flew across the English Channel on a hoverboard he designed himself.

Zapata took off from the beach in Sangatte, near the French city of Calais and flew 35,4 km in 22 minutes to land in St. Margaret's Bay in Dover, Britain.

The speed of the hoverboard reached 170 km / h.

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USB4 version 2.0 03.09.2022

USB Promoter Group has announced USB4 version 2.0. Although the name hints that this is only a second generation USB4 upgrade, it supports double the data transfer speed of its predecessor, up to 80Gbps.

The new standard will be backward compatible with USB4 version 1.0, SB 3.2, USB 2.0 and Thunderbolt 3, but not with USB 1.0 and Thunderbolt 4. USB4 2.0 specifications will be updated for USB Type-C and USB Power Delivery (USB PD).

Due to licensing issues, USB and Thunderbolt were updated side by side. Intel laptops have a Thunderbolt port, while AMD Ryzen laptops have USB4 branding. However, even after Intel's upgrade to Thunderbolt 4, data transfer speeds were roughly equivalent to those of Thunderbolt 3 and USB4 1.0. With version 5, Ryzen-based laptops may have an edge, at least until Intel announces Thunderbolt XNUMX.

Brad Saunders, Head of the USB Promoter Group, said: “Back to the USB tradition again, this updated USB4 specification doubles the data performance to bring a higher level of functionality to the USB Type-C ecosystem.

Solutions benefiting the most from this speed boost include high performance displays, hard drives and USB hubs and docking stations."

Key features of the upgraded USB4 solution:

Operate at speeds up to 80 Gb/s based on a new physical layer architecture using existing 40 Gb/s USB Type-C passive cables and newly defined 80 Gb/s USB Type-C active cables.
Upgrading image data and protocols to better take advantage of the increase in available bandwidth.
An update to the USB data architecture now allows USB 3.2 data tunneling to exceed 20Gbps.
Updated to the latest DisplayPort and PCIe specifications.
Backwards compatible with USB4 version 1.0, USB 3.2, USB 2.0 and Thunderbolt 3.
USB4 version 2.0 will debut on devices later this year.

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