Warning

Once you've ridden a bicycle with a bell, shouting out warnings to pedestrians seems very loudmouthed and ineffective. Well, the Runbell 3.0 gives runners a finger-worn bell, so they don't have to yell at people either.

If you transport your bike on a car-top rack, there's a risk that you'll forget it's up there, and smash it into a low-hanging garage door or other overhead obstacle. The Veloroof system is designed to greatly reduce that risk.

​Thanks to things like smartphones and automotive infotainment systems, both pedestrians and drivers are probably now less aware of one another than ever before. An experimental new crosswalk could help keep accidents from happening, however, through lights, electronic signs, and an app.

Many cars don't have rear seatbelt warning systems, so parents may not realize that their children have released their belt while en route. buckle me up wirelessly adds a rear seatbelt warning system to such vehicles.

Just last month, Volvo announced a new system that warns drivers of approaching cyclists via a symbol on their car's head-up display. Not to be outdone, Jaguar Land Rover has just announced its own system, which takes a more tactile approach – among other things, it taps them on the shoulder.

The B612 Foundation has released a video depicting the distribution of 26 asteroid impacts known to have struck the Earth since the year 2000. Many of the impacts detected exploded with a force greater than the city-leveling bomb dropped on Hiroshima, which had an explosive yield of 15 kilotons.

SMARTwheel is a steering wheel add-on which detects when drivers are engaging in unsafe activities like texting while driving, and provides sonic and visual alerts to refocus their attention.

The HeadsUp wireless gear alert system is designed to keep drivers from smashing their roof rack-mounted gear against their garage door.

Mommy I'm Here is a wireless alarm system that lets parents know when their child has wandered away.

The tiwi is a device that electronically monitors and mentors teen drivers.

Escort has integrated ticket avoidance technology and GPS navigation into one unit, the Passport IQ.

A new early-warning system monitors soil acoustics to determine when landslides are imminent.