Gravity Could Be the Mother of Time, Scientists Say. That Could Upend Our Perception of the Universe.

We experience the flow of time because it's a natural outcome of the basic laws of physics. But we may need to build a whole new model to account for gravity's influence.

View in Browser  SHOP EXCLUSIVE SUBSCRIBE Gravity Could Be the Mother of Time, Scientists Say. That Could Upend Our Perception of the Universe. We experience the flow of time because it's a natural outcome of the basic laws of physics. But we may need to build a whole new model to account for gravity's influence. Read More A New Supersolid Born From Light Pushes the Limits of Physics With properties of a superfluid but with a crystalline structure, supersolids have previously only been observed in ultracold condensates—until now. Read More Scientists Built a Lightning Ball of Energy To Catch Distant Radiation It's only been tested at 10 meters, but further distances are well within range. Read More Scientists Found a Human-Neanderthal Hybrid Who Lived Long After His People Went Extinct The 'Lapedo Boy' was found in 1998, but we only now figured out when he lived. Read More Earth's Oldest Crater May Have Jumpstarted Life Biology may have begun with a bang. Read More Spring Cleaning Doesn't Have to Be An All-Consuming Task, According to Our Expert Get the job done fast and effectively so you have more time outdoors to work on the yard and garden. Read More Need Assistance? Contact Us. Follow Us Unsubscribe | Privacy Notice | CA Notice at Collection Popular Mechanics is a publication of Hearst Magazines. ©2025 Hearst Magazine Media, Inc. All Rights Reserved. This email was sent by Hearst Magazines, 300 West 57th Street, New York, NY 10019-3779