The a7R IV churns out impressive 4K image quality with good video autofocus, but has otherwise fallen a bit behind the competition regarding its full video feature set. How good is a7r4? Packed with a high-res 61-megapixel full-frame image sensor, … Continue reading →

Details about a connected device on my wireless network. Run a port scan (tap Service Scan) Ping the device. Run a traceroute on the device. Run Wake on LAN on the device. How do I track a device on my … Continue reading →

Arthur Ashkin in 1947. Photo courtesy of the Columbia University Archives. Arthur Ashkin ’47CC hasn’t exactly let old age slow him down. At ninety-six, he has just won the Nobel Prize in Physics, making him the oldest person ever to … Continue reading →

Do not do this. The battery is only meant to be charged by a charge management chip in the phone. That chip regulates the flow of electricity into the phone, preventing it from charging too quickly or to too high … Continue reading →

What fruits charge phones? The world’s smelliest fruit could charge your mobile phone. “Using durian and jackfruit purchased from a market, we converted the fruits’ waste portions (biomass) into super-capacitors that can be used to store electricity efficiently,” said Gomes. … Continue reading →

Zimbabwe’s Bikita mine, in the southwestern province of Masvingo, happens to hold the world’s largest-known deposit of the alkali metal, at around 11m tonnes. According to an African Mining Markets report, “Zimbabwe is the leading country in Africa to produce … Continue reading →

What can I use instead of a GREY card? Plain white paper can also be used. This will not be gray, of course, but is a known white. Using that, you can adjust until it is white and then everything … Continue reading →

According to the industry ministry, 54 percent of the world’s cobalt supplies totaling 120,000 tons in 2016 came from Congo. The ministry aims to make all new passenger cars in Japan fully or partly powered by electricity by 2050 to … Continue reading →

4K video has been a long time coming to the Canon EOS M series, but it finally arrives with the M50. Let’s look at the good news first: the camera can record 4K ultra-high definition video at 23.98 frames per … Continue reading →

Your iPhone’s “Other” storage category can take up a lot of space on your device. Now called “System Data,” these files contain app and data caches that keep your iPhone running smoothly. You can save space and clear this hidden … Continue reading →

As you probably know, a camcorder records video, but it does not use film. Instead, the lens focuses the incoming light onto an image sensor, which converts the light rays into a series of voltages. Do people still use camcorders … Continue reading →

Charging IQOS without a pocket charger To charge your IQOS 3 Multi you need to: Plug it into a power outlet using the IQOS charging cable. Check that the bar light is flashing to confirm that your device is charging. … Continue reading →

In today’s technology-driven world, having a bit of extra power supply is always convenient. So, get a power bank with dual ports that allow you to charge your device multiple times and also to charge two devices at once. Can … Continue reading →

The indicators (red) on the headset light up, and the headset starts charging. Close the lid of the charging case after setting the headset into the charging case. After charging is complete, the indicators of the charging case and the … Continue reading →

Before donating or recycling your computer, you need to completely wipe or remove the hard drives. By doing so, you will ensure that the data on the hard drives will be completely erased and untraceable by data thieves. How do … Continue reading →