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Lenovo Yoga 7i Slim Carbon: Ultrabook in a hands-on test

There are many 13.3" notebooks, but in the weight category of ultra-light models under one kilogram, the selection becomes smaller: if there are currently just over 1,900 variants to choose from in the sizes up to 14.1", the variety drops to 70 models if you set the filter to a weight of up to 1 KG. As the name suggests, the ...

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Nvidia Geforce RTX 3080

RTX 3080, Big Nav, Ryzen 5000, PlayStation 5, Xbox Series X: pre-ordered chaos?

In the last few days some products have been activated for pre-ordering, which have met with great customer interest: Nvidia has introduced the 2nd generation of RTX cards in the form of the Geforce RTX 3080, Sony the PlayStation 5 and Microsoft the Xbox Series X. At all three product introductions there were many frustrated prospective customers and cancellations in the end. …

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Coinbase Card: VISA Card with Bitcoins

The acceptance of Bitcoins and other crypto currencies is still manageable if you want to pay with them in a normal supermarket. The Coinbase Card wants to solve this problem and is a VISA-Debit-Card, with which you can directly access the credit in the Coinbase-Wallet. Coinbase works together with PaySafe and offers the Coinbase Card in six ...

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Dolby Cinema at Mathäser Munich

Dolby Cinema: Impressions from Munich

On Saturday I had the chance to see the third performance in the new "Dolby Cinema" hall of the Mathäser-Filmpalast. Reason enough to describe my impressions. The film: Avengers: Endgame. If you haven't seen it yet, don't worry, this text does not contain any spoilers. Dolby Cinema has been around in the Netherlands since 2014, and now the ...

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Operate humidity sensor with photovoltaic & battery

Anyone who uses an air humidity sensor is first of all dependent on the proximity of a power socket. This can be avoided by using a solar cell and a rechargeable battery as a buffer. Basically, you should already have a functioning air data sensor - this can help you avoid a source of error, even if the fine dust sensor is not connected to the ESP8266 module in this article.

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Vodafone Callya: top-up by bank transfer

Anyone using a Vodafone Callya prepaid card will sooner or later stumble upon the limited recharging options. But one can easily top up by bank transfer without having to use the service of Klarna ("Sofortüberweisung"), Paypal or a credit card. Klarna has managed without any scandals so far, but some banks prohibit the use of access data for online banking.

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Supervising: Experiences after 10 days

Since the Telekom at my location provides Supervectoring 35b as the fastest offer, I have booked the corresponding MagentaHome XL. The provision from a regular vectoring connection (100/40 MBit/s) was completely problem-free: on the announced changeover day the Internet was gone for about 15 minutes, then the Fritz!Box 7590 synchronized again and since then without reconnects ...

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Spectre & Meltdown: Processor vulnerability causes a stir

Two security vulnerabilities published by Google, which practically affect most of the current processors from various manufacturers, are currently causing a lot of fuss. As part of Project Zero with Meltdown and Spectre, security researchers at Google have published attack scenarios that can be used to exploit a vulnerability in current processors. Intel was first in the focus of the reporting ...

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FreeNAS Corral: Debian as a virtual machine

With FreeNAS 10 "Corral" a new system for virtual machines has been integrated. A template: Debian 8.4.0. Since a FreeNAS server is active most of the time anyway, you can easily replace a Raspberry Pi using the virtual machine feature. In addition, performance demanding applications like an OpenVPN server or a VPN gateway can be easily implemented. The ...

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Congstar: no "all inclusive" roaming in sight

A few years ago, Fyve and Congstar were exciting alternatives in the networks of Vodafone and Telekom. Without current options, however, these providers are becoming increasingly unattractive. While it was possible to use LTE in postpaid tariffs for a while, at least with Congstar, the provider Fyve, which operates in the Vodafone network, never offered this option. Other prepaid providers that do not directly offer the ...

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