If you spend a lot of time at your desk or on your feet, it's definitely a useful device to help remind you to keep upright. Its vibration acts like negative reinforcement, stopping only when you ...

Upright vacuums are a single unit ... Bagged models are also better for people who have allergies or asthma because they keep dust and allergens sealed away. Bags are easier to discard without ...

However, mechanical gyroscopes tend to drift over time and therefore include a mechanism to keep the spin axis upright with respect to the direction of gravity. The ADI42-124 uses an entirely ...

If a bike did stay upright because of the gyroscopic effect ... As long as it's rolling fast enough, it's likely that a bike can keep going for a while without tipping. Again, the gyroscopic ...