By now, you have probably heard of the Bloom Box , the green fuel cell device that promises to soon power our homes.

Opera just released the 10.5 beta version of its web browser for Mac computers — the fifth most popular browser on the market. We previously covered the Pre-Alpha version of 10.5 , but this beta release is likely far more stable.

It’s a brand new week, which means it’s time for Mashable’s guide to upcoming social media and web events, parties, and conferences. For more upcoming event listings, check out Mashable’s Events section . Is your event not on this list

Google’s ever-expanding empire has added another branch: subsidiary Google Energy has been granted an order by the Federal Energy Regulatory Commission to buy and sell energy at market rates. Does this mean Google is set to become your power company? Not yet — instead, Google wants more control over the high energy costs of its many data centers, and also aims to become carbon neutral

FarmVille, the massively popular Facebook game, surpassed 80 million monthly active users this week (source: AppData ). Facebook has around 400 million users in total

Update: 3 employees of electric car maker Tesla Motors were killed in the crash . Facebook is currently suffering from a power outage at its Palo Alto home office, and the outage appears to be linked to a small but fatal plane crash that occurred earlier this morning in East Palo Alto. Per local news outlets, a twin-engine Cessna with three people on board crashed into transmission lines 377 feet above ground in East Palo Alto

Want the power and add-ons of the Firefox browser in the palm of your hands? That dream is quickly becoming a reality, starting with the Maemo OS and owners of the Nokia N900

Mollie Vandor is the Product Manager for Ranker.com and Media Director for Girls in Tech LA.