Turn Your Bike Into A Safe-At-Night TRON-Cycle With EL Wire

When you bike at night, you need lights and reflectors to stay safe from vehicles and other people who might otherwise not see you. MAKE Projects shows you a really cool way to do that and also make your bike look like something out of TRON at the same time.

Kitestring Notifies Your Emergency Contacts If You Go Dark

If you’re going on a solo trip or even for a walk at night, it’s a good idea to let a loved one know you’re safe. Kitestring is a simple webapp that checks up on you and sends a text message to your emergency contacts if you don’t respond by a designated time.

Almost Everything You Own Will Expire: Know When

Food isn’t the only thing that expires. Everything from Windex to lipstick to condoms has an expiration date. It’s good to use what you buy, but you also need to know when to throw it out.

Make A Bike Light That Turns On Automatically In The Dark

It’s important to wear lights when you’re out and about on your bike, but if you’re the type who happens to forget to turn yours on (or off in the morning), Instructables user Solarcycle shows us how to build a light that turns on and off automatically.

Ask LH: What Should And Shouldn't I Microwave?

Dear Lifehacker, I heard it’s dangerous to microwave food in plastic containers or plastic wrap because of scary food-contaminating chemicals. Is that true? What other things are safe or unsafe to use in the microwave?

Dormi Turns Old Android Phones Into Internet-Connected Baby Monitors

Android: If you have an old Android phone or tablet lying around, Dormi is a new app that turns those old devices into smart baby monitors or remote speakers.

Why You Should Think Twice About Trying To Salvage Mouldy Food

If you have a block of cheese or loaf of bread that is showing signs of mould, you might think it’s OK to just slice off the mouldy bits and enjoy the rest. In some cases, that’s perfectly legitimate, but it’s a really bad idea in other cases. This video explains when it’s OK and when it can be harmful to your health.

Safeguard A Sliding Glass Door With A Rubber Ball

If you’ve ever closed a sliding glass door on your hand, you know how painful it can be. Keep your fingers safe with this simple DIY safeguard. All you need is a screw, string and a ball.

6 Common Fluids That Leak From Cars And How To Diagnose Them

Cars that leak leave ominous spots or puddles on the ground that can make you wonder if your vehicle is dying a slow death. The good news is if you can master the art of “spotology” by deciphering those mysterious spots you can tell whether the fluid leak is a harmless drip or a serious problem. Here’s how.

Know What Drowning Really Looks Like To Help Save Lives This Summer

If you take movies as any indication, a drowning person will thrash around wildly in the water, possibly scream out for help or wave someone over. However, as Slate points out, that’s completely wrong, and drowning doesn’t look anything like people expect.