Necessity drives invention, but some gadgets push the limits of usefulness. Inventors sometimes create hyper-specific, often hilarious devices that generate hype but quickly fade. These devices range ...

That tracks with a 2018 study, which found that air purifiers improved the indoor air of patients with asthma. The Journal of ...

Free Energy Machine! Amazing Science Toys/Gadgets ...

Looking for the perfect gadget to enhance your driving experience? Check out these must-have car accessories available on ...