Tag «computer science»

Why Electronic Voting Is Still A Bad Idea

Why Electronic Voting Is Still A Bad Idea

Five years ago, I made a video for a channel called Computerphile about why electronic voting is a bad idea. And I still get emails, occasionally, asking: things must have changed by now, right? There’s this new idea, and maybe it’ll help. Surely electronic voting is just around the corner? No. No, it’s really not. …

Map of Computer Science

Map of Computer Science

We built computers to expand our brains. Originally scientists build computers to solve arithmetic, but they turned out to be incredibly useful for many other things as well: running the entire internet, lifelike graphics, artificial brains or simulating the Universe, but amazingly all of it boils down to just flipping zeros and ones. Computers have …

The Internet: Cybersecurity & Crime

Hi, my name is Jenny Martin and I’m the director of cybersecurity investigations at Symantec. Today cybercrime causes huge problems for society personally, financially, and even in matters of national security. Just in the last few years, hundreds of millions of credit card numbers have been stolen, tens of millions of Social Security numbers and …

Early Computing: Crash Course Computer Science #1

Early Computing: Crash Course Computer Science #1

Hello world, I’m Carrie Anne, and welcome to CrashCourse Computer Science! Over the course of this series, we’re going to go from bits, bytes, transistors and logic gates, all the way to Operating Systems, Virtual Reality and Robots! We’re going to cover a lot, but just to clear things up – we ARE NOT going …

Vint Cerf’s Top YouTube Videos

Vint Cerf’s Top YouTube Videos

Hi, I’m Vint Cerf. I’m Google’s Chief Internet Evangelist. And I’ve been asked to select a few of the many millions of videos in YouTube that I’ve found the most profound and moving. I’ve picked six of them in particular to share with you. The first one is by Pattie Maes from MIT and she …

How Computers Work: Hardware and Software

How Computers Work: Hardware and Software

[whoosh] [ding] [music] Hi, my name is Erica Gomez and I’m an engineering manager at Amazon.com. One of the best things about working in tech, and at Amazon in particular, is that I get to bring my dog with me to work every day. My job is to help make sure software gets out the …