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The Dell UltraSharp Webcam can capture excellent 4K video for calls, streams, and recordings, but you need a separate microphone to get the most out of it.

Ovens often have all sorts of hi-tech features including steam cooking and self-cleaning, and some can even be controlled remotely by an app on your phone. But, unfortunately, this doesn't mean they get the basics right. We sometimes come across ovens that soar to 220°C when set at 180°C.

While it's more common for an oven to overshoot the temperature you set it at, we do also find models that struggle to get up to the right temperature. One of the ovens we've recently tested was set for 180°C, but we measured the temperature in part of the oven to be just 150°C.

Measure ingredients carefully While it can be tempting to guess quantities if you're in a hurry, this is risky. The ratios for butter, sugar and flour are best stuck to so that you maximise your chances of good baking results.

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The Logitech MX Brio is a versatile high-end webcam that offers excellent video quality for web calls and streams, as well as a range of companion apps for different use cases.

Jabra's PanaCast 20 webcam is equally adept at handling video calls for just one person or an entire conference room, but you can get stronger audio and picture quality from more affordable models.

The Razer Kiyo Pro is an excellent jack-of-all-trades webcam, one that impresses with clear audio and very good video, even in low light.

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The Dell Pro Webcam offers a well-rounded feature set and some of the best audio and video performance you can expect for under $150.

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With 1080p video quality, auto-focus, and background noise reduction, your work calls, streaming, and video chats will all look and sound better.

The gas mark is a temperature scale used on gas cookers and gas ovens in the UK, Ireland and some Commonwealth countries.

The cake was too light in colour, sunken in the centre and not completely baked in the middle. The structure was very compact, as few air bubbles developed during the baking process.

While most laptops come with built-in webcams, desktops do not. Here’s how to turn your smartphone into a wireless webcam with some free software.

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Ensure your oven's temperature is accurate At the right temperature your cake mix should turn into a light, airy sponge that’s evenly risen, cooked through and gently browned on the surface. An oven that's too hot will cause moisture to evaporate too rapidly from the cake’s surface, resulting in an overbrowned cake that may be burnt on the edges before the insides are cooked through. The overheating also affects the structure; you’ll get drier, harder sponge around the sides than in the middle. Cooking at too low a temperature slows down the reactions, so each stage takes longer. And although you don’t risk burning the outside, the structure of the cake can be adversely affected. The rise is less, so you end up with a denser, less airy sponge.

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You can position the thermometer in different areas of your oven to test the temperature and find hot or cold spots. Just make sure you leave the thermometer in each area for at least 10 minutes before checking for changes.

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Don’t overfill the oven While some ovens are better than others at spreading heat evenly and supplying your food with enough heat, this is a greater challenge if the oven is overloaded. Generally speaking, cooking on any more than two levels risks poorer results.

The Elgato Facecam Pro webcam offers a wider, sharper picture than the original, but you still need to tweak the settings to get the most out of it.

The surface colour was too dark and the cake was burnt around the edges. Its rise was uneven – much greater in the centre – and there were lots of surface cracks. The middle of the cake was soft textured, but the base and edges were much harder.

You can adapt to an oven if it averages just a handful of degrees away from the correct temperature, by turning it up or down a little. But if it's a larger gap – or the temperature fluctuates a lot during cooking – you could be in for some disappointing results.

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This cake turned out slightly too dark and, after cooling, was higher in the middle than at edges. There were surface cracks at the centre from where the cake has risen then sunk back down during cooling. The structure of this cake wasn't too bad – it was soft in the centre, but slightly harder near the base.

Our guide to oven temperature conversion, plus tips on how temperature affects your cooking, will help you get it spot-on every time.

Don’t open the oven door This can spell disaster for sensitive dishes, such as soufflés, and delicate sponges don’t appreciate it, either. Our reviews highlight which ovens have great visibility through the door, so you can keep an eye on your bakes without compromising their rise.

Many popular DSLR and mirrorless cameras offer USB webcam support built-in or via some extra software. We break down everything you need to know so you can step up your video call or streaming game.

Head to our expert pick of the best built-in ovens to discover ovens that maintain an accurate and stable temperature. Or to compare all lab-tested models, read our built-in oven reviews.

The Logitech Brio 300 is an eco-friendly webcam designed primarily for video calls that's held back by unimpressive picture quality and echoing sound.

We've tested hundreds of ovens and found that many don't stick to the temperature you set them at. Some have even veered more than 40°C above the set temperature.

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Use foil to avoid overbrowning If you notice that your cakes or pastries are browning before they are cooked in the middle, loosely covering with foil may save the day. This lets the warm air circulate but protects the surface from more fierce direct heat.

The ic-light model is capable of automatically relighting images based on text prompts, allowing users to create a wide variety of lighting effects.

If you want to look your best on video calls, your laptop's built-in camera often won't cut it. Here's what to look for in an add-on webcam, along with the top models we've tested.

The cake had a good pale to mid-brown colour. After cooling it was fairly flat and had a good soft structure throughout. There were some small air bubbles and few medium-sized ones. A few cracks appeared on the surface towards the end of the baking process.

Although its video quality doesn't hold up against pricier competitors, the affordable Creative Live! Cam Sync 4K webcam captures video in high resolution and records clear audio.

There are many variables that can potentially affect the outcome of your bakes, from the ingredients you use to the temperature and humidity of your kitchen. Some things you can't control, but using an oven that accurately maintains the right temperature is a great starting point.

Footcandle is a unit of illumination defined as the illumination on a surface one square foot in area on which is uniformly distributed a flux of one lumen.

All ovens have built-in thermometers. The best way to verify the accuracy of your oven's temperature is to check it with a separate stainless steel oven thermometer.

Focal length is the distance in millimeters between this point of convergence and the sensor or photographic film of the camera it is attached to.

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A top choice for premium webcams, the Obsbot Tiny 2 combines a quality 4K sensor and high-end tracking features in a fully adjustable, truly small design.

Fan oven cooking temperatures are typically around 20°C less than conventional ovens. This is because the fan circulates hot air around the inside of the oven and into the food, ensuring a more even temperature and food that's cooked more quickly.

The pricey streaming-focused Razer Kiyo Pro Ultra offers the best video quality we've seen in a webcam, with several high-resolution recording modes and excellent low-light performance.

If you own a gas cooker or gas oven, you will sometimes need to convert oven temperatures when cooking a recipe, which is when our oven temperature conversion chart will come in handy.

The Elgato Facecam MK.2 costs less than its predecessor but remains a mediocre webcam overall because of its clunky software and lack of a microphone.

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The Elgato Facecam is an ambitious webcam that has no microphone, but offers the unique benefit of manual exposure control. You'll need to take time to set up good studio lighting for the best results.

This simple oven temperature conversion chart should help you quickly convert temperatures between gas, Celsius, Fahrenheit and fan ovens.

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Designed for today's endless Teams- and Zoom-call endurathons, Dell's clever camera prototype prioritizes eye contact and versatility when you're video chatting.

As our results show, even a 20°C difference can have a marked effect on the appearance and texture of a cake. And the same applies to other dishes – if your oven runs too hot or too cold, you may find your dinner isn't ready when you expected or that it's burnt and bubbled over before the timer goes off.

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The HyperX Vision S webcam offers an incredibly sharp picture rivaling more expensive competitors, but you'll need a separate microphone.

It's always worth double-checking your recipe, as not adjusting the temperature to account for this effect can cause the outside of your food to cook too quickly and spoil your dish.

To test how much difference an oven with poor temperature controls can make to your cooking, we ran a test in which we baked a classic Victoria sponge. Using exactly the same recipe, we baked four cakes at different temperatures, ranging from 20°C under the recommended temperature to 40°C too hot.

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As most ovens are fan assisted these days, you can usually assume that a recipe that only suggests one oven temperature is referring to fan ovens. Some will offer two, though – a hotter temperature for traditional ovens and a cooler one for fans.