Tech news

How do I know if I have the right glasses for the eclipse?

Episode 1415

Clarence from Virginia
Eclipse

Clarence says that if you grab the wrong pair of welding glasses, it'll be just like having a huge flash going off in your eyes. So he advises taking a quick glance at the sun with the glasses on, then look away. If it looks like a camera flash, then you have the wrong glasses. Leo agrees. The damage the sun does to your eyesight will never heal. It's permanent and it's not worth risking for two minutes.

Can I stack welders lenses to view the eclipse safely?

Episode 1415

Ben from California
Welders Glass

Ben wants to enjoy the total eclipse but all the glasses are sold out. So he's looking at welding glasses, but can't find 14 grade lenses. Can he stack two 8 grade lenses together? Leo says he doesn't think that they are additive and it won't work that way. It's certainly not worth taking the risk. The best place to find out what to wear is the NASA Eclipse Website.

FBI Has Been Pushing Companies to Not Use Kaspersky AVS

Episode 1415

The FBI has been contacting companies to tell them not to use Kaspersky AntiVirus Software because it represents a security threat, especially to power companies and other key industries vital to national security. Leo says it would have been better to just get the word out through the media and shows like the Tech Guy so that everyone could benefit from the warning. But truth be told, Leo isn't a fan of any antiVirus because it gives you a false sense of security. If you must use one, just use the one that comes with Windows. It's called Windows Defender and it does a good enough job.

Are DJI Drones Spying on the Army?

Episode 1411

This week, the US Army issued a directive ordering soldiers to not use DJI drones and other UAVs due to cyber vulnerabilities and the potential for spying by the devices on the battlefield. DJI is shocked by the move without consultation. What would be the threat? Leo says that drones have radios and GPS, and often have internet connectivity. So it's possible that drones could be taken over by a third party and used for spying, especially for mapping terrain. But Leo says it's also likely there's could be a certain amount of paranoia at work here.